A.大于1,0.1~1,0.01~0.1 B.大于1,0.05~1,0.01~0.05 C.大于0.1,0.01~0.1,0.001~0.01 D.大于1.5,0.1~1.5,0.01~0.1
A.粗礫、粗砂、細砂 B.粗砂、中砂、細砂 C.巨礫、細砂、粉砂 D.礫、砂、粉砂
A.多少 B.成分 C.均勻程度 D.大小