wanghua好 - 2009/11/30 23:22:00
设计说明水灰比0.4~0.45、灰砂比1 :1,设计依据是什么?稠度是多少?能不按水灰比做吗?öK§xy_În#bbs.3c3t.comÔ:â3iî̲
gj111111 - 2010/3/29 20:20:00
我也想知道öK§xy_În#bbs.3c3t.comÔ:â3iî̲
gj111111 - 2010/3/29 20:28:00
我也想知道öK§xy_În#bbs.3c3t.comÔ:â3iî̲
jntl - 2010/3/30 13:52:00
设计依据我不知道,不过好像都是这个要求öK§xy_În#bbs.3c3t.comÔ:â3iî̲