A.車輛維修規(guī)程 B.車輛操作規(guī)程 C.車輛維護(hù)規(guī)程 D.車輛檢修規(guī)程
A.2次/月 B.3次/月 C.1次/周 D.1次/月
A.99%,99% B.98%,99% C.98%,98% D.99%,98%