ldk121 - 2007/11/17 18:37:00
请问各位同仁,正常砼的声速范围是多少?ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
cjfgood - 2007/11/17 21:40:00
3500左右ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
cjfgood - 2007/11/17 21:45:00
3500左右,还要看你有没有含、三金,具体还是要看情况的!ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
lanpinghyn - 2009/5/18 20:43:00
跟强度也有关系吧ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
wishfulway - 2009/5/22 1:18:00
谢谢分享ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ