单项选择题
A.有利于视线诱导 B.缓冲能力大 C.对行车有压迫感 D.可以重复使用
A.0.05m B.0.5m C.0.2m D.0.02m
A.1.1 B.2.3 C.3.1 D.4.5
A.3m B.3.5m C.3.75m D.4m
A.1.5~2.0% B.2.5~3.0% C.3.5~4.0% D.4.5~5.0%
A.3.75m B.6.75m C.2.25m D.4.5m
A.1.00m B.2.00m C.5.00m D.10.00m
A.2% B.3% C.4% D.5%
A.0.1~0.2 B.4~5 C.1~2 D.10~20
A.右侧 B.左侧 C.中间 D.上方
A.3% B.4% C.5% D.6%