A.滑移發(fā)生在傾覆之前; B.傾覆發(fā)生在滑移之前; C.滑移與傾覆同時(shí)發(fā)生
A.1.5%; B.2%; C.3%; D.路拱橫坡度
A.4% B.6% C.8% D.10%