taoconline - 2009/12/19 0:12:00
1. 矿粉的视密度是否指其表观密度?®øÚîGbbs.3c3t.comIíÞ!Ò
®øÚîGbbs.3c3t.comIíÞ!Ò
2. JTG E42 - 2005 中P128 “矿粉密度试验”是测其密度还是其表观密度?®øÚîGbbs.3c3t.comIíÞ!Ò
taoconline - 2009/12/21 20:38:00
我晕,没人感兴趣吗?:default2:®øÚîGbbs.3c3t.comIíÞ!Ò
crcfztt - 2009/12/23 22:26:00
表观密度®øÚîGbbs.3c3t.comIíÞ!Ò