The application of SIEMENS PLC in thickness gauge of thin films is studied, and the merits and demerits of electric control systems based on industrial computer and PLC are compared.是什么意思_The application of SIEMENS PLC in thickness gauge of thin films is studied, and the merits and demerits of electric control systems based on industrial computer and PLC are compared.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句