A.礦質(zhì)實(shí)體、開口孔隙和閉口孔隙 B.礦質(zhì)實(shí)體、水、空隙 C.礦質(zhì)實(shí)體、空氣、水
A.2.80 B.2.78 C.2.81
A.209 B.211 C.210