A.鎖 B.鎖閉 C.關(guān)閉
A.檢車(chē)長(zhǎng) B.運(yùn)轉(zhuǎn)車(chē)長(zhǎng) C.乘警長(zhǎng) D.列車(chē)長(zhǎng)
A.45 B.60 C.90