A.氣閥和閥座不能安裝 B.氣閥和閥座不能密封 C.氣閥卡死 D.氣閥不能旋轉(zhuǎn)
A.車(chē)削(或磨削)、加粗研磨砂對(duì)研、加細(xì)研磨砂對(duì)研、加滑油對(duì)研 B.加細(xì)研磨砂對(duì)研、加滑油對(duì)研 C.車(chē)削、加滑油對(duì)研 D.車(chē)削、加粗研磨砂對(duì)研
A.如需更換,閥與閥座應(yīng)同時(shí)更換 B.厚度不足需更換 C.嚴(yán)重?zé)g需更換 D.翹曲嚴(yán)重需更換