A.0.01g B.0.1g C.0.5g D.0.05g
A.細(xì)粒土>含有機(jī)質(zhì)土>砂類土 B.含有機(jī)質(zhì)土>細(xì)粒土>砂類土 C.細(xì)粒土>砂類土>含有機(jī)質(zhì)土 D.含有機(jī)質(zhì)土>砂類土>細(xì)粒土
A.24 B.48 C.72 D.96