±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 5860  |  »Ø¸´: 14

·¢´ôµÄС·¨Ê¦

гæ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖú£¬¹âÏ˵Ä×îСÍäÇú°ë¾¶¶àÉÙ°¡£¿ ÒÑÓÐ8È˲ÎÓë

ʵÑéÊҵĹâÏ˾ÍÊÇÒ»°ãµÄÆÕͨ¹âÏË£¬ÐèÒª°ÑËüÍê³É»··ÅÔÚ»úÏäÀïÃæ£¬ÓÉÓÚ³ß´ç¹ØÏµ£¬Ï£ÍûÄÜÕ¼ÓõĿռ価Á¿Ð¡¡£
ÇëÎÊ×îС¿ÉÒÔÍäµ½¶à´óµÄÈ¦ÄØ~
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

Geonomy

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
»ØÌûÖ§³Ö ( ÏÔʾ֧³Ö¶È×î¸ßµÄǰ 50 Ãû )

peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÕâÐèÒªÖªµÀËüµÄµ¯ÐÔ¼«ÏÞÇ¿¶È¦Òb¡¢ÑîÊÏÄ£Á¿E¡¢Ö±¾¶d¡£Éè¿ÉÒÔ¾í³ÉÖ±¾¶DµÄԲȦ£¬´Ëʱ¼«ÏÞÓ¦±ä¦ÅbΪ£º
¦Åb=¦Òb/E=[(D/2+d/2)*d¦È-D/2*d¦È]/[D/2*d¦È]
   =d/D
D=E/¦Òb*d
4Â¥2014-09-28 18:53:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
4Â¥: Originally posted by peterflyer at 2014-09-28 18:53:49
ÕâÐèÒªÖªµÀËüµÄµ¯ÐÔ¼«ÏÞÇ¿¶È¦Òb¡¢ÑîÊÏÄ£Á¿E¡¢Ö±¾¶d¡£Éè¿ÉÒÔ¾í³ÉÖ±¾¶DµÄԲȦ£¬´Ëʱ¼«ÏÞÓ¦±ä¦ÅbΪ£º
¦Åb=¦Òb/E=/
   =d/D
D=E/¦Òb*d

Õâ¸ö²»Ì«¶Ô¡£
¹âÏËÄ£¼äñîºÏÊÇÖ÷ÒªÔ¼ÊøÒòËØ¡£
9Â¥2014-10-01 12:47:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhang_long

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÎÒÒ»°ãÊÇ8cm£¬µ«ÊÇÎÒÌý˵3cmÒÔÉ϶¼Ã»Ê¡£ Ö÷Òª»¹ÊÇ¿´Äã¾ßÌå×öʲôÓõġ£
ŬÁ¦£¬ÉϽø¡­¡­
2Â¥2014-09-28 10:45:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tfyu2000

½ð³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¹âÏ˵IJÄÁϲ»Í¬£¬´Öϸ²»Í¬£¬¶Ô»·Èư뾶µÄÒªÇó²»Ò»Ö¡£ËùÒÔ£¬¹âÏ˳ö³§Ê±£¬ËüµÄ¹æ¸ñÖ¸±êÄÚÓдËÏî¡£Ö±½Ó²éÃ÷ËùʹÓõĹâÏËÐͺż°ÖÆÔì³§¼Ò£¬²é¿´ËµÃ÷»òѯÎʳ§¼Ò¡£
5Â¥2014-09-29 06:21:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

¼¾ÑÒ±ù

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

СɳÃÖ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
G657 B3 ×îСÍäÇú°ë¾¶¿É´ï¦µ10mm-1turn
7Â¥2014-09-30 14:27:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

474327768

Ìú¸Ëľ³æ (ÖªÃû×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÓøßÊýÖеÄ֪ʶ£¬¿ÉÒÔ¼ÆËãÇúÂÊ

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
ѧ»á˼¿¼
8Â¥2014-10-01 11:17:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


ÒýÓûØÌû:
9Â¥: Originally posted by feixiaolin at 2014-10-01 12:47:47
Õâ¸ö²»Ì«¶Ô¡£
¹âÏËÄ£¼äñîºÏÊÇÖ÷ÒªÔ¼ÊøÒòËØ¡£...

°Â£¬Õâ¸ö¹âÏËÄ£¼äñîºÏµÄÒòËØÎÒûÏëµ½£¬ÎÒÖ»Êǰ´ÕպͽðÊô˿һÑùµÄ´¦Àí·½Ê½½øÐд¦Àí£¬²¢¼ÙÉè¹âÏËΪ´àÐÔ²ÄÁÏ£º¦Òb=¦Òs¡£ÒÔ²»·¢Éú¶ÏÁÑΪǰÌáÇóµÃ×îСÇúÂʰ뾶R=D/2¡£Ïëµ½°æÖ÷ÊÇѧ¹âѧµÄ³öÉí£¬Õâ·½ÃæÎÒÒ»µã¶¼²»¶®£¬ÄǾÍÊܽÌÁË¡£ºÇºÇ¡£
10Â¥2014-10-01 14:24:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÆÕͨ»ØÌû

·¢´ôµÄС·¨Ê¦

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by zhang_long at 2014-09-28 10:45:21
ÎÒÒ»°ãÊÇ8cm£¬µ«ÊÇÎÒÌý˵3cmÒÔÉ϶¼Ã»Ê¡£ Ö÷Òª»¹ÊÇ¿´Äã¾ßÌå×öʲôÓõġ£

ºÃµÄ£¬Ð»Ð»¡£3cm¶¼¸Ð¾õºÃ´ó°¡¡£¡£¡£

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
3Â¥2014-09-28 12:50:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

angocn

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
²éһϹâÏ˹âѧ»ò¼¼¹âÏËÊõµÄ½Ì²ÄÊé¼®£¬Ò»°ã¶¼¿É²éµ½¡£

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
ÆäʵÎÒϲ»¶ÀúÊ·£¬¿ÉÊÇȴѧÁËÀí¿Æ
6Â¥2014-09-29 10:01:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ·¢´ôµÄС·¨Ê¦ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +19 111623 2026-04-04 21/1050 2026-04-06 09:35 by guanxin1001
[¿¼ÑÐ] 262Çóµ÷¼Á +7 ÌìϵÚÒ»ÎÄ 2026-04-04 8/400 2026-04-05 21:31 by ¼¤Á÷Ó¶É
[¿¼ÑÐ] 307·Ö²ÄÁÏרҵÇóµ÷¼Á +7 Hllºú 2026-04-05 7/350 2026-04-05 18:47 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Ò»Ö¾Ô¸Çà¿Æ085500£¬³õÊÔ295·Ö£¬¹«¹²¿Î213·Ö +3 Óöµ½µÄÈËÔ¸Íû¶¼Ä 2026-04-05 3/150 2026-04-05 18:45 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 085500»úеר˶³õÊÔ288Çóµ÷¼Á +3 GZJguo666- 2026-04-05 3/150 2026-04-05 18:06 by jkddd
[Óлú½»Á÷] ¼×´¼/¶þÂÈ 1:15¹ýÖù×Ó 5+3 a°¥yßÏwι 2026-03-31 3/150 2026-04-05 10:42 by 88817753
[¿¼ÑÐ] ²ÄÁÏר˶322·Ö +11 ¹þ¹þ¹þºðºðºð¹þ 2026-04-02 11/550 2026-04-04 23:37 by ÓÀ×ÖºÅ
[¿¼ÑÐ] һ־Ը˫·Ç085502£¬267·Ö£¬¹ýËļ¶Çóµ÷¼Á +3 ÔÙæҲҪ³Ô·¹°¡ 2026-04-03 3/150 2026-04-04 05:03 by gswylq
[¿¼ÑÐ] 281Çóµ÷¼Á +10 aaawhy 2026-04-03 10/500 2026-04-03 21:42 by lbsjt
[¿¼ÑÐ] 282Çóµ÷¼Á ²»Ìôרҵ ÇóÊÕÁô +7 Yam. 2026-03-30 8/400 2026-04-03 14:12 by zhangdingwa
[¿¼ÑÐ] ר˶085601Çóµ÷¼Á +7 suyifei 2026-04-03 8/400 2026-04-03 14:00 by ÐÀϲ777
[¿¼ÑÐ] 325·Ö»¯Ñ§µ÷¼Á +5 15771691647 2026-04-02 5/250 2026-04-03 09:58 by ChemPharm
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¿Æ¼¼´óѧ²ÄÁÏѧ˶328·ÖÇóµ÷¼Á +6 1¶Îʱ¼ä 2026-03-31 7/350 2026-04-02 13:57 by 3041
[¿¼ÑÐ] 08ÉúÎïÓëҽҩר˶³õÊÔ346ÕÒµ÷¼Á +6 dianeeee 2026-04-01 7/350 2026-04-02 08:23 by guoweigw
[¿¼ÑÐ] Ò»Ö¾Ô¸°²»Õ´óѧ¼ÆËã»ú¿ÆÑ§Óë¼¼Êõѧ˶£¬331·ÖÇóµ÷¼Á +5 ½¯²ýÅôqtj 2026-04-01 5/250 2026-04-02 08:10 by fxue1114
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤£¨0856£©304ÇóBÇøµ÷¼Á +8 Çñgl 2026-03-30 16/800 2026-04-01 17:58 by Çñgl
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +10 @taotao 2026-03-31 11/550 2026-04-01 09:43 by xiayizhi
[¿¼ÑÐ] ÍÁľ304Çóµ÷¼Á +5 ¶¥¼¶²Á²Á 2026-03-31 5/250 2026-04-01 08:15 by fdcxdystjk£¤
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +7 Ë«ÂíβƦÀϰå2 2026-03-31 7/350 2026-03-31 19:49 by Dyhoer
[¿¼ÑÐ] 274Çóµ÷¼Á +6 xiao°®Í¬Ñ§ 2026-03-30 6/300 2026-03-31 10:04 by cal0306
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û