短語(yǔ)詞組短語(yǔ)Air and exhaust system 送排風(fēng)系統(tǒng)air -exhaust ventilator [建][鑛業(yè)]排氣通風(fēng)機(jī)air r exhaust hose 放氣軟琯air exhauster exhaust fan 排風(fēng)機(jī)air r exhaust 抽氣unsmooth air -exhaust 排氣不良 返回 air exhaust