短語詞組短語Air and exhaust system 送排風系統(tǒng)air -exhaust ventilator [建][礦業(yè)]排氣通風機air r exhaust hose 放氣軟管air exhauster exhaust fan 排風機air r exhaust 抽氣unsmooth air -exhaust 排氣不良 返回 air exhaust