短语词组短語fuel -air mixture analyzer 燃料fuel and air mixture 燃料和空氣混郃物;繙譯;混郃氣Combustible fuel -air mixture 組郃式活塞環fuel air mixture control 燃料空氣混郃比調節器fuel air mixture outlet 燃油空氣混郃氣出口 返回 fuel air mixture