A.對于鈣質生石灰,不小于65% B.對于鈣質消石灰,不小于55% C.對于鎂質生石灰,不小于65% D.對于鎂質消石灰,不小于55%
A.石灰鋼渣基層 B.級配碎石基層 C.貧水泥混凝土基層 D.水泥穩(wěn)定級配碎石基層
A.瀝青 B.石灰 C.粉煤灰 D.水泥