Collect dust, drain smoke, air supply and suction for high-temperature furnace, air conditioner and boiler, incinerator and public hazard prevention.是什么意思_Collect dust, drain smoke, air supply and suction for high-temperature furnace, air conditioner and boiler, incinerator and public hazard prevention.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句