Between the equipment should use entire seal room, prevents the noxious gas (for example SO2, H2S, NH3, NO2 and so on) to invade, and should have the good dust prevention.是什么意思_Between the equipment should use entire seal room, prevents the noxious gas (for example SO2, H2S, NH3, NO2 and so on) to invade, and should have the good dust prevention.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句