The hardware software and the work Principle of PLC contrl system of electrically heated air-dryer are introduced. The practice showed that the PLC control system is more effective and reliable.是什么意思_The hardware software and the work Principle of PLC contrl system of electrically heated air-dryer are introduced. The practice showed that the PLC control system is more effective and reliable.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句