A.開(kāi)啟B.正洗C.停止D.備用
A.先開(kāi)進(jìn)水閥再開(kāi)啟正洗排放閥B.先開(kāi)啟正洗排放閥再開(kāi)啟進(jìn)水閥C.進(jìn)水閥和正洗排放閥同時(shí)開(kāi)
A.8.3~8.8B.8.8~9.2C.9.2~9.7D.9~11