短語詞組短語valve outer chamber cover 閥外室蓋outer head cover 外頂蓋outer end cover 外端蓋outer berring cover 軸承外蓋outer bearing cover 外軸承蓋;軸承外蓋outer rear cover 外后蓋;后蓋外蓋outer cylinder cover 氣缸蓋外圈The outer cover 外蓋outer cover electrode 加罩電極 返回 outer cover