A.××次加水作業(yè)完畢 B.××次加水作業(yè)完畢,×××(姓名) C.客運(yùn)(值班)員,××次加水作業(yè)完畢 D.客運(yùn)(值班)員,××次加水作業(yè)完畢,×××(姓名)
A.60s/30s B.60s/10s C.30s/10s D.30s/30s
A.1~3min B.3~5min C.5~10min D.10~15min