A.高度 B.標(biāo)高 C.空間 D.距離
A.0.1% B.0.2% C.0.3% D.0.4%
A.1.5 B.1.0 C.0.8 D.0.6
A.5%~15% B.8%~15% C.10%~15% D.15%~20%