A.均衡B.計(jì)劃C.優(yōu)先D.維修
A.日常保持B.計(jì)劃維修C.臨時(shí)補(bǔ)修D.限速
A.質(zhì)量檢查B.質(zhì)量管理C.質(zhì)量控制D.質(zhì)量達(dá)標(biāo)