A.本班機(jī)車運(yùn)轉(zhuǎn)情況及存在的問題 B.架線或蓄電池情況 C.巷道、軌道、信號(hào)及通訊設(shè)施情況 D.本班工作任務(wù)完成情況
A.5MIN B.10MIN C.15MIN
A.5% B.8% C.10% D.12%