短語詞組短語exhaust t air duct 排氣道exhaust -air duct 廢氣管道Exhaust air duct tubes 排氣風(fēng)道管air exhaust duct network 排氣管網(wǎng)air exhaust duct 排氣管;排熱管connector of air exhaust duct 排熱管接頭air -exhaust duct 空氣出口管Air &exhaust&duct 排熱管 返回 exhaust air duct