The natural exhaust system in screw type dryer often resulted in higher and fluctuated moisture content in dried scraps,therefore it was replaced by a mechanical exhaust system.是什么意思_The natural exhaust system in screw type dryer often resulted in higher and fluctuated moisture content in dried scraps,therefore it was replaced by a mechanical exhaust system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句