基本解釋閥余面英漢例句雙語例句A highly ventilated lump of cast iron, 338 holes and milling operations, plus lapping cam bearings and all those valve seats!一個(gè)高度有通風(fēng)設(shè)備的整鑄鐵， 338孔和銑削行動，加上研磨凸輪軸承和所有這些閥座！www.naf.com.cnvalve lap更多例句詞組短語短語valve seat lapping machine 氣門座研磨機(jī);雙盤研磨機(jī)valve seat lapping machellone 氣門座研磨機(jī)valve lapping compound [機(jī)]氣門研磨劑Valve lapping tool 閥擦光工具;閥門研磨工具VALVE LAPPING TOOS 閥門研磨工具valve lap更多詞組專業(yè)釋義交通運(yùn)輸工程閥面研磨