A.進(jìn)水閥故障 B.水位開關(guān)故障 C.馬達(dá)牽引器故障 D.離合器
A.進(jìn)水閥故障 B.水位開關(guān)故障 C.安全開關(guān)故障 D.氣壓管問(wèn)題