A.13.15KN/m3 B.1.31g/m3 C.16.2KN/m3 D.1.62g/m3
A.2.5 B.0.6 C.0.4 D.1.66
A土中的質(zhì)量與土的質(zhì)量之比 B.土中水的質(zhì)量與土粒質(zhì)量之比k.土中水的體積與土的體積之比 D.土中水的體積與土粒體積之比