±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1510  |  »Ø¸´: 16

piaoxu919

Òø³æ (СÓÐÃûÆø)


[½»Á÷] ¸ßÃÌËá¼ØÑõ»¯ ¶þ±½Ì¼õ£¶þë·ֹâ¹â¶È·¨²â×ܸõµÄÎÊÌâ

GB7466-1987 Ë®ÖÊ×ܸõµÄ²â¶¨µ±ÖУ¬¸ßÃÌËá¼ØÑõ»¯ ¶þ±½Ì¼õ£¶þë·ֹâ¹â¶È·¨£¬7.1.2ΪʲôҪÓÃÇâÑõ»¯ï§ÖкÍÑùÆ·µ½pH1-2£¬½Ó×ÅÓÖÔÚ7.2.1ÓÃÇâÑõ»¯ï§»òÁòËáÈÜÒºµ÷ÖÐÐÔ£¿
ÄòËØÊÇ·Ö½â¹ýÁ¿ÑÇÏõËáÄÆµÄ£¬ÑÇÏõËáÄÆÊÇ·Ö½â¹ýÁ¿µÄ¸ßÃÌËá¼ØµÄ£¬ÎªÊ²Ã´ÏȼÓÄòËØ£¬ÔÙ¼ÓÑÇÏõËáÄÆ£¿Ö±½Ó¼ÓÑÇÏõËáÄÆµ½Ã»×ϺìÉ«²»¾ÍÐÐÁËÂð£¿
   ÄÄλ´óÏÀÄÜÖ¸µãÖ¸µã°¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

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

Ò²ÊÇС°×

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)


¡ï
piaoxu919(½ð±Ò+1): лл²ÎÓë
6Â¥2017-05-19 00:39:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

º®½­¶Àµö

½û³æ (ÖøÃûдÊÖ)

¡ï
piaoxu919(½ð±Ò+1): лл²ÎÓë
±¾ÌûÄÚÈݱ»ÆÁ±Î

13Â¥2017-05-20 00:24:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

º®½­¶Àµö

½û³æ (ÖøÃûдÊÖ)

±¾ÌûÄÚÈݱ»ÆÁ±Î

14Â¥2017-05-20 00:27:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zephyrlynn

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)


¡ï
piaoxu919(½ð±Ò+1): лл²ÎÓë
ÏȼÓÄòËØÊÇΪÁËÖкͿÉÄܹýÁ¿µÄÑÇÏõËáÄÆ¡£ÑÇÏõËáÄÆÊǺÜÈÝÒ×±»Ñõ»¯µÄ¡£

·¢×ÔСľ³æAndroid¿Í»§¶Ë
15Â¥2017-05-21 06:59:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

piaoxu919

Òø³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
14Â¥: Originally posted by º®½­¶Àµö at 2017-05-20 00:27:02
ÆäʵÄãÕâÎÊÌâÒ²¾ÍÊÇ ¸ß¿¼»¯Ñ§µÄʵÑéÉè¼ÆÌâ

ÄÇÇëÄã½âÊÍÒ»ÏÂߣ¬Ã»ÏëÃ÷°×
16Â¥2017-05-22 16:38:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÎÞÁ³ÄÐÒª³É¹¦

гæ (³õÈëÎÄ̳)


¡ï
piaoxu919(½ð±Ò+1): лл²ÎÓë
ÇëÎÊÄãÃǵ÷pHÊÇÓÃÊÔÖ½»¹ÊÇpH¼Æ£¿

·¢×ÔСľ³æAndroid¿Í»§¶Ë
17Â¥2018-04-12 23:32:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
nono20092Â¥
2017-05-18 23:35   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
tzynew3Â¥
2017-05-18 23:55   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
syhorchid4Â¥
2017-05-18 23:59   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
2017-05-19 00:36   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
lvluohua7Â¥
2017-05-19 01:00   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
2017-05-19 01:08   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
2017-05-19 01:27   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
chejiacun10Â¥
2017-05-19 01:32   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
103062354311Â¥
2017-05-19 01:45   »Ø¸´  
piaoxu919(½ð±Ò+1): лл²ÎÓë
lvluohua12Â¥
2017-05-19 14:20   »Ø¸´  
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ piaoxu919 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 270µ÷¼Á +3 maxjxbsk 2026-04-02 3/150 2026-04-02 08:06 by shw3078
[¿¼ÑÐ] 385·Ö ÉúÎïѧ£¨071000£©Çóµ÷¼Á +4 qf626 2026-04-01 4/200 2026-04-02 06:44 by ilovexiaobin
[¿¼ÑÐ] 274Çóµ÷¼Á +5 Ѧ¶¨Ú̵Ļ¢¡£ 2026-04-01 5/250 2026-04-02 05:58 by pies112
[¿¼²©] 26ÄêÉ격 +3 staryer 2026-03-30 4/200 2026-04-01 23:21 by ai4pharm
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] ¡¾Çóµ÷¼Á¡¿085601²ÄÁϹ¤³Ìר˶ | ×Ü·Ö272 | +10 ½Å»¬µÄÊØ·¨¹«Ãñ 2026-03-27 10/500 2026-04-01 17:23 by pies112
[¿¼ÑÐ] 324Çóµ÷¼Á +10 hanamiko 2026-03-26 12/600 2026-04-01 16:59 by oooqiao
[¿¼ÑÐ] »¯Ñ§308·Öµ÷¼Á +13 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-30 14/700 2026-04-01 16:19 by yanflower7133
[¿¼ÑÐ] 0703Çóµ÷¼Á +4 zizimo 2026-03-31 4/200 2026-04-01 16:04 by yanflower7133
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»²ÄÁϹ¤³Ì×Ü·Ö358 +5 cs0106 2026-04-01 7/350 2026-04-01 11:45 by wangjy2002
[¿¼ÑÐ] 085410È˹¤ÖÇÄÜ ³õÊÔ316·Ö Çóµ÷¼Á +3 ²ÐÐÇ·÷Êï 2026-03-31 3/150 2026-04-01 11:09 by СÐÜraider
[¿¼ÑÐ] Çó0861½»Í¨ÔËÊäר˶or²ÄÁÏר˶µ÷¼Á +4 ÀÕ²¼ÀÊ@ 2026-03-31 4/200 2026-04-01 09:54 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] ÍÁľ304Çóµ÷¼Á +5 ÍÃͻͻͻ£¬ 2026-03-31 6/300 2026-04-01 09:37 by JourneyLucky
[¿¼ÑÐ] 335Çóµ÷¼Á +3 321* 2026-03-31 4/200 2026-04-01 00:00 by 321*
[¿¼ÑÐ] 0856Çóµ÷¼Á +9 —öèñ 2026-03-28 9/450 2026-03-31 19:06 by ĺÔó12
[¿¼ÑÐ] ÉúÒ½¹¤0831µ÷¼ÁÇóÍÆ¼ö +4 СÐÜî£î£_s 2026-03-27 6/300 2026-03-31 17:12 by ¼Çʱ¾2026
[¿¼ÑÐ] 343Çóµ÷¼Á +8 °®î¿°í 2026-03-28 8/400 2026-03-31 16:12 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ÇóÊÕÁô +8 1943443204 2026-03-28 8/400 2026-03-31 15:00 by -ÃÔÁË·°¡Â·
[¿¼ÑÐ] 11408×Ü·Ö309£¬Ò»Ö¾Ô¸¶«ÄÏ´óѧÇóµ÷¼Á£¬²»Ìôרҵ +5 Ì츳´øµ½THU 2026-03-29 6/300 2026-03-30 20:49 by dick_runner
[˶²©¼ÒÔ°] ÕÐÊÕÉúÎïѧ/ϸ°ûÉúÎïѧµ÷¼Á +4 IceGuo 2026-03-26 5/250 2026-03-29 01:25 by griffith2014
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û