rose475 - 2009/7/30 9:25:00
紧急求助!!现求一个水泥净浆配比,需3天达到25--30兆帕,水灰比大约多少?±ZhËOð[bbs.3c3t.comáCD}¢ï
rose475 - 2009/8/1 9:32:00
怎么没人帮忙啊±ZhËOð[bbs.3c3t.comáCD}¢ï
1981ms - 2009/8/2 16:36:00
0.45:default6: :default6: :default6: :default6:±ZhËOð[bbs.3c3t.comáCD}¢ï
1981ms - 2009/8/2 16:37:00
用42.5的水泥!±ZhËOð[bbs.3c3t.comáCD}¢ï