Znn3bq.jpeg
²é¿´: 6215  |  »Ø¸´: 84
¡¾½±Àø¡¿ ±¾Ìû±»ÆÀ¼Û75´Î£¬×÷Õßopq691Ôö¼Ó½ð±Ò 70.2 ¸ö

opq691

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)


[×ÊÔ´] ¡¾×ÊÔ´¡¿½ºÌ廯ѧParticles in water : properties and processes ¡¾ÒÑËÑË÷ÎÞÖØ¸´¡¿

¡¾2006Taylor & Francis½ºÌ廯ѧÐÂÊé¡¿Particles in Water Ë®ÌåÖеĿÅÁ£Îï
Particles in water : properties and processes



Contents
Chapter one Introduction..................................................................................1
1.1 Particles in the aquatic environment..........................................................1
1.1.1 Origin and nature..............................................................................1
1.1.2 Particle size ranges............................................................................2
1.1.3 Effects of particles in water .............................................................5
1.2 Colloidal aspects ............................................................................................5
1.2.1 Classification of colloids ..................................................................6
1.2.2 Stability of hydrophobic colloids ...................................................7
1.2.3 Particle separation processes...........................................................8
Further reading .......................................................................................................8
Chapter two Particle size and related properties.........................................9
2.1 Particle size and shape..................................................................................9
2.2 Particle size distributions ...........................................................................10
2.2.1 General..............................................................................................10
2.2.2 The log-normal distribution ..........................................................14
2.2.3 The power law distribution...........................................................17
2.3 Particle transport..........................................................................................19
2.3.1 Fluid drag .........................................................................................20
2.3.2 Diffusion ...........................................................................................22
2.3.3 Sedimentation ..................................................................................23
2.3.4 Effect of particle size.......................................................................25
2.4 Light scattering and turbidity....................................................................26
2.4.1 General..............................................................................................26
2.4.2 Turbidity and light transmission..................................................28
2.4.3 Rayleigh theory ...............................................................................30
2.4.4 Mie theory ........................................................................................33
2.4.5 Anomalous diffraction....................................................................37
2.4.6 Rayleigh-Gans-Debye scattering...................................................38
2.5 Measurement of particle size .....................................................................38
2.5.1 Direct methods (microscopy) ........................................................39
2.5.2 Particle counting and sizing..........................................................40
2.5.3 Static light scattering ......................................................................43
2.5.4 Fraunhofer diffraction ....................................................................44
?2006 by Taylor & Francis Group, LLC
2.5.5 Dynamic light scattering................................................................44
2.5.6 Sedimentation methods..................................................................45
Further reading .....................................................................................................46
Chapter three Surface charge .........................................................................47
3.1 Origin of surface charge .............................................................................47
3.1.1 Dissolution of constituent ions .....................................................47
3.1.2 Surface ionization............................................................................49
3.1.3 Isomorphous substitution..............................................................51
3.1.4 Specific adsorption of ions ............................................................51
3.2 The electrical double layer .........................................................................52
3.2.1 The double layer at a flat interface ..............................................52
3.2.2 Charge and potential distribution in the double layer.............55
3.2.3 Spherical particles ...........................................................................57
3.3 Electrokinetic phenomena ..........................................................................58
3.3.1 The plane of shear and the zeta potential ..................................59
3.3.2 Electrophoresis and electrophoretic mobility.............................60
Further reading .....................................................................................................62
Chapter four Colloid interactions and colloid stability...........................63
4.1 Colloid interactions ?general concepts .................................................63
4.1.1 Importance of particle size ............................................................63
4.1.2 Force and potential energy............................................................64
4.1.3 Geometry of interacting systems..................................................65
4.1.4 Types of interaction.........................................................................66
4.2 van der Waals interaction...........................................................................67
4.2.1 Intermolecular forces ......................................................................67
4.2.2 Interaction between macroscopic objects ....................................67
4.2.3 Hamaker constants .........................................................................70
4.2.4 Effect of dispersion medium .........................................................72
4.2.5 Retardation .......................................................................................74
4.3 Electrical double-layer interaction ............................................................75
4.3.1 Basic assumptions ...........................................................................75
4.3.2 Interaction between flat plates and spheres ...............................76
4.4 Combined interaction ?DLVO theory ...................................................78
4.4.1 Potential energy diagram...............................................................78
4.4.2 Effect of ionic strength ?critical coagulation
concentration....................................................................................80
4.4.3 Specific counterion adsorption .....................................................84
4.4.4 Stability ratio....................................................................................86
4.5 Non-DLVO interactions ..............................................................................88
4.5.1 Hydration effects .............................................................................88
4.5.2 Hydrophobic attraction ..................................................................89
4.5.3 Steric repulsion ................................................................................90
4.5.4 Polymer bridging ............................................................................91
Further reading .....................................................................................................92
?2006 by Taylor & Francis Group, LLC
Chapter five Aggregation kinetics.................................................................93
5.1 Collision frequency ?Smoluchowski theory ........................................93
5.2 Collision mechanisms..................................................................................94
5.2.1 Brownian diffusion ?perikinetic aggregation..........................95
5.2.2 Fluid shear ?orthokinetic aggregation ...................................102
5.2.3 Differential sedimentation ...........................................................105
5.2.4 Comparison of rates .....................................................................106
5.2.5 Effect of hydrodynamic interactions..........................................107
5.3 Form of aggregates ....................................................................................109
5.3.1 Fractals ............................................................................................ 110
5.3.2 Collision rate of fractal aggregates............................................. 113
5.3.3 Density of fractal aggregates....................................................... 115
5.4 Strength and breakage of aggregates ..................................................... 116
Further reading ................................................................................................... 119
Chapter six Coagulation and flocculation .................................................121
6.1 Terminology ................................................................................................121
6.1.1 “Coagulation?and “flocculation?..............................................121
6.1.2 Destabilizing agents......................................................................122
6.2 Hydrolyzing metal coagulants ................................................................123
6.2.1 Hydrolysis of metal cations.........................................................123
6.2.2 Polynuclear hydrolysis products................................................126
6.2.3 Action of hydrolyzing coagulants..............................................127
6.2.4 Charge neutralization by adsorbed species..............................127
6.2.5 “Sweep?flocculation ....................................................................129
6.2.6 Overview ........................................................................................131
6.2.7 Practical aspects.............................................................................132
6.3 Polymeric flocculants ................................................................................133
6.3.1 Nature of polymers and polyelectrolytes in solution .............133
6.3.2 Examples of polymeric flocculants ............................................135
6.3.3 Polymer adsorption ......................................................................137
6.3.4 Bridging flocculation ....................................................................139
6.3.5 Charge neutralization and “electrostatic patch?effects .........140
6.3.6 Kinetic aspects of polymer flocculation ....................................142
6.3.7 Applications ...................................................................................147
Further reading ...................................................................................................148
Chapter seven Separation methods ............................................................149
7.1 Introduction ................................................................................................149
7.2 Flocculation processes...............................................................................149
7.2.1 Rapid mixing .................................................................................150
7.2.2 Floc formation................................................................................151
7.3 Sedimentation.............................................................................................153
7.3.1 Basics ...............................................................................................153
7.3.2 Sedimentation in practice ............................................................154
7.3.3 Upflow clarifiers............................................................................156
?2006 by Taylor & Francis Group, LLC
7.4 Flotation.......................................................................................................157
7.4.1 General............................................................................................157
7.4.2 Dissolved air flotation ..................................................................158
7.5 Filtration ......................................................................................................162
7.5.1 Deep bed filtration ........................................................................162
7.5.2 Membrane filtration......................................................................170
Further reading ...................................................................................................173


ÕÒÁËÒ»Ìì²ÅÕÒµ½£¬ÏÈÃâ·Ñ·ÖÏí

http://d.namipan.com/d/9fabe1340 ... 7f513a83d0a3be03800

[ Last edited by dfq0730 on 2009-9-27 at 18:04 ]
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

Better Resouces Ó¢ÎÄÔ­Öø ôÓÐÏÂ

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huyc1970

½ð³æ (ÕýʽдÊÖ)


ºÃ×ÊÁÏ£¬Ó¦¸Ãѧѧ£¡£¡£¡
3Â¥2009-08-22 22:30:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

trey

ľ³æ (СÓÐÃûÆø)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

thanks
7Â¥2009-08-23 13:03:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cmbest

½ð³æ (ÕýʽдÊÖ)


¡ï¡ï¡ï ÈýÐǼ¶,Ö§³Ö¹ÄÀø

xiexie fenxiang
8Â¥2009-08-23 14:08:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

haijunniu

ľ³æ (Ö°Òµ×÷¼Ò)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

ÓÅÐãÍÆ¼ö
11Â¥2009-08-23 15:54:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dcbao

ľ³æ (ÕýʽдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

лл¹²Ïí£¡
13Â¥2009-08-23 16:33:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

blchen

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

ºÃÊ飡¥Ö÷×öÁË´óºÃÊÂ
15Â¥2009-08-23 17:03:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

·Ç³£¸Ðл
16Â¥2009-08-23 17:28:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

clayezi

Òø³æ (СÓÐÃûÆø)


ºÃ¶«Î÷£¬Ð»Ð»Â¥Ö÷£¬ÐÁ¿àÁË
17Â¥2009-08-23 18:08:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tzcjwp

½ð³æ (ÖøÃûдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

лл¹²Ïí!
18Â¥2009-08-23 22:33:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

flylife

Ìú¸Ëľ³æ (ÖªÃû×÷¼Ò)


¡ï¡ï¡ï ÈýÐǼ¶,Ö§³Ö¹ÄÀø

thanks
22Â¥2009-08-24 06:56:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

ÀͶ¯Ò»¶¨Òª×ðÖØ
23Â¥2009-08-24 07:09:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhongjun668

½ð³æ (ÖøÃûдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

лл£¬¿´¿´ÔõôÑù
25Â¥2009-08-24 07:58:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nanoherb

ľ³æ (ÖøÃûдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

ºÃ¶«¶«£¬Ð»Ð»·ÖÏí£¡£¡£¡
26Â¥2009-08-24 08:09:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jlliu2000

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)


¡ï¡ï¡ï ÈýÐǼ¶,Ö§³Ö¹ÄÀø

¶àл·ÖÏí£¬Ð»Ð»
31Â¥2009-08-24 08:28:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yyuchuan

½ð³æ (ÕýʽдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

32Â¥2009-08-24 08:59:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

scofield131

ľ³æ (ÕýʽдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

Ïȶ¥ÔÙ˵£¡£¡£¡£¡
34Â¥2009-08-24 09:10:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jane126

½ð³æ (СÓÐÃûÆø)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

¶àл·îÏ×!
38Â¥2009-08-24 10:01:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bestzhangd

½ð³æ (СÓÐÃûÆø)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

good!
39Â¥2009-08-24 10:02:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

angelacxiang

ľ³æ (ÖøÃûдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

ding
40Â¥2009-08-24 10:33:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jjinl2007

Òø³æ (СÓÐÃûÆø)


¡ï¡ï¡ï ÈýÐǼ¶,Ö§³Ö¹ÄÀø

лл£¡£¡£¡
41Â¥2009-08-24 10:49:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wwwandy

Ìú¸Ëľ³æ (ÕýʽдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

лл£¬·Ç³£¸Ðл
45Â¥2009-08-24 11:14:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chengcj.2008

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

¸ÐлÁË.
48Â¥2009-08-24 15:19:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

crazylithi

Ìú¸Ëľ³æ (ÖªÃû×÷¼Ò)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

ºÃ²ÄÁÏ£¬ºÃºÃѧϰ£¬Ð»Ð»Â¥Ö÷!
49Â¥2009-08-24 15:23:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
hexingyi2Â¥
2009-08-22 21:51   »Ø¸´  
 
xbhchina4Â¥
2009-08-23 11:41   »Ø¸´  
 
buffaloli5Â¥
2009-08-23 12:15   »Ø¸´  
 
xiaoshm6Â¥
2009-08-23 12:50   »Ø¸´  
 
lj2008cn9Â¥
2009-08-23 14:41   »Ø¸´  
 
index200810Â¥
2009-08-23 15:24   »Ø¸´  
 
richer12Â¥
2009-08-23 16:28   »Ø¸´  
 
2009-08-23 16:34   »Ø¸´  
 
ciacwdq19Â¥
2009-08-24 06:07   »Ø¸´  
 ºÃ
spring666320Â¥
2009-08-24 06:15   »Ø¸´  
zhoukejin21Â¥
2009-08-24 06:39   »Ø¸´  
 
fox-fox24Â¥
2009-08-24 07:44   »Ø¸´  
 
liang4927Â¥
2009-08-24 08:12   »Ø¸´  
 Ð»Ð»·ÖÏí!
bio-polymer28Â¥
2009-08-24 08:14   »Ø¸´  
 
alexissp29Â¥
2009-08-24 08:16   »Ø¸´  
 
2009-08-24 08:23   »Ø¸´  
 Ð»Ð»·ÖÏí£¡
kzheng0733Â¥
2009-08-24 09:00   »Ø¸´  
 8´í
Arui.Y35Â¥
2009-08-24 09:11   »Ø¸´  
 
chenjun60136Â¥
2009-08-24 09:11   »Ø¸´  
 
lieying1837Â¥
2009-08-24 09:49   »Ø¸´  
 
Alexander93242Â¥
2009-08-24 11:00   »Ø¸´  
 ºÃ
liangzilei43Â¥
2009-08-24 11:11   »Ø¸´  
 Ð»Ð»·ÖÏí
huazhang244Â¥
2009-08-24 11:12   »Ø¸´  
 
qgzh46Â¥
2009-08-24 13:15   »Ø¸´  
 
cqruan47Â¥
2009-08-24 15:05   »Ø¸´  
 
flyhome50Â¥
2009-08-24 15:36   »Ø¸´  
 
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ opq691 µÄÖ÷Ìâ¸üÐÂ
¡î ÎÞÐǼ¶ ¡ï Ò»ÐǼ¶ ¡ï¡ï¡ï ÈýÐǼ¶ ¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 293Çóµ÷¼Á +4 ÓÂÔ¶¿â°®314 2026-04-06 4/200 2026-04-10 11:00 by ¸ßά´º
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũ΢ÉúÎ288·Ö£¬ÈýÄêʵÑé¾­Àú +10 ´úfish 2026-04-09 10/500 2026-04-10 09:49 by potatoÃÃ
[¿¼ÑÐ] µ÷¼Á +24 ²»·ê´º 2026-04-07 25/1250 2026-04-10 09:39 by 690616278
[¿¼ÑÐ] 308Çóµ÷¼Á +21 ÌÈÈôÆð·çÁËÄØ 2026-04-05 21/1050 2026-04-10 08:13 by Sammy2
[¿¼ÑÐ] 070300»¯Ñ§Ñ§Ë¶311·ÖÇóµ÷¼Á +12 Áº¸»¹óÏÕÖÐÇó 2026-04-04 14/700 2026-04-10 08:07 by kangsm
[¸ß·Ö×Ó] »·Ñõ¹à·â½º ¿¹³Á¼Á +3 huagong159 2026-04-03 4/200 2026-04-10 00:30 by huagong159
[¿¼ÑÐ] ±¾¿Æ211 ¹¤¿Æ085400 280·ÖÇóµ÷¼Á ¿É¿çרҵ +3 LZH£¨µÈ´ýµ÷¼ÁÖÐ 2026-04-09 3/150 2026-04-09 21:29 by wutongshun
[¿¼ÑÐ] 269µç×ÓÐÅÏ¢Çóµ÷¼Á£¬¿Éתרҵ +9 ¶À×Ãwl 2026-04-06 9/450 2026-04-09 20:55 by laoshidan
[¿¼ÑÐ] ²ÄÁÏ295 +15 СӢ11 2026-04-03 16/800 2026-04-09 15:44 by onlyÖÜ
[¿¼ÑÐ] 086000µ÷¼Á +4 Ê®Æßsa 2026-04-07 4/200 2026-04-09 09:27 by Ò¼ÍùŸoǰ
[¿¼ÑÐ] 318Çóµ÷¼Á +13 ykyhsa 2026-04-05 15/750 2026-04-08 21:37 by wj165256
[¿¼ÑÐ] 264Çóµ÷¼Á +11 ÂóС¶£µ± 2026-04-07 11/550 2026-04-08 16:05 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] 388Çóµ÷¼Á +6 ËÄ´¨ÍõÌÎ 2026-04-07 8/400 2026-04-08 00:17 by JourneyLucky
[¿¼ÑÐ] ²ÄÁϹ¤³Ì310ר˶µ÷¼Á +14 ÀÌÀÌÎÒ¡­. 2026-04-04 15/750 2026-04-06 14:18 by lqwchd
[¿¼ÑÐ] 332Çóµ÷¼Á +17 ССÃÏ... 2026-04-05 18/900 2026-04-06 09:51 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 341Çóµ÷¼Á +3 ѧÎÞÖ¹¾³£¬³å 2026-04-05 3/150 2026-04-05 09:40 by lbsjt
[¿¼ÑÐ] 278Çóµ÷¼Á +14 ·¶æÃÄÈ 2026-04-04 15/750 2026-04-04 22:15 by lqwchd
[¿¼ÑÐ] Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-04 3/150 2026-04-04 12:19 by Éá¶øºóµÃ
[¿¼ÑÐ] ÇóÉúÎïѧרҵµ÷¼Á-332·Ö +5 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 5/250 2026-04-04 10:05 by rzh123456
[¿¼ÑÐ] 278Çóµ÷¼Á +6 Yy7400 2026-04-03 6/300 2026-04-04 09:53 by zhangdingwa
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û