短語詞組短語locating valve seat assembly 定位閥座總成valve bridge assembly 氣門橫梁組件fuel valve adapter assembly 燃油閥接頭總成tilt valve spool assembly 傾斜滑閥總成valve support assembly 氣門支撐總成main valve body assembly 主閥體組成valve seat assembly 閥座總成vent valve cover assembly 放風閥蓋組成valve cap assembly 氣門罩組合 返回 valve assembly