A.油分 B.樹(shù)脂質(zhì) C.瀝青質(zhì) D.瀝青酸和瀝青酸酐
A.細(xì)砂 B.粗砂 C.級(jí)配良好砂 D.粒徑均勻砂
A.5/100 B.5/97 C.8/100 D.8/97