A.液控單向閥 B.減壓閥 C.順序閥
A.車(chē)削、加粗研磨砂逐對(duì)研磨、加細(xì)研磨砂逐對(duì)研磨、加滑油逐對(duì)研磨 B.車(chē)削、加細(xì)研磨砂逐對(duì)研磨、加粗研磨砂逐對(duì)研磨、加滑油逐對(duì)研磨 C.車(chē)削、加滑油逐對(duì)研磨、加粗研磨砂逐對(duì)研磨、加細(xì)研磨砂逐對(duì)研磨
A.應(yīng)急救火泵是當(dāng)機(jī)艙進(jìn)水,失火或全船失電時(shí),用來(lái)提供消防水的設(shè)施 B.電動(dòng)應(yīng)急救火泵只需由應(yīng)急配電板供電即可 C.速閉閥除能就地開(kāi)關(guān)外,在機(jī)艙外尚需設(shè)有遙控關(guān)閉裝置