A.小于20m B.大于18m C.大于16m D.大于14m
A.0.1,5,1~1.5 B.0.2,5,1.3~1.5 C.0.1,6,1~1.5 D.0.2,6,1.3~1.5
A.1.3~1.5,1.5 B.1.2~1.5,1.2 C.1.3~1.5,1.2 D.1.2~1.5,1.3