单项选择题
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%
A.L=R+ω B.L=R-ω C.L=Rω D.L=R/ω
A.0.1~0.2% B.0.3~0.5% C.0.03~0.05% D.0.01~0.02%
A.y=L2/2R B.y=L2/8R C.y=2L2/R D.y=8L2/R
A.爬坡车道的车速通常都比正线高 B.爬坡车道的车速通常都比正线 C.爬坡车道的车速通常都与正线相等 D.以上都不正确
A.4800m B.3000m C.4200m D.1600m
A.会车 B.错车 C.加速 D.制动
A.弯道半径小于100m B.弯道半径小于等于250m C.车道宽度小于3.50m D.行车视距不满足停车视距