A.當(dāng)本向左轉(zhuǎn)車的實(shí)際數(shù)量超過允許值時(shí)
B.當(dāng)對向左轉(zhuǎn)車的實(shí)際數(shù)量超過允許值時(shí)
C.當(dāng)本向右轉(zhuǎn)車的實(shí)際數(shù)量超過允許值時(shí)
D.當(dāng)對向右轉(zhuǎn)車的實(shí)際數(shù)量超過允許值時(shí)
A.15%位車速
B.50%位車速
C.第30位小時(shí)車速
D.85%位車速