短语词组短语exhaust pulse air injection 排气脉冲空气喷射exhaust system air breather 排气系统空气通气孔monitor exhaust -air 排气侦测器exhaust -air monitor 废气监测器;排气监测器exhaust t air 废气exhaust t air duct 排气道Exhaust -Air Pressure 排气压力 返回 exhaust air