And then a suit of tension control system was developed,which takes S7-300 PLC of SIEMENS company as controller,takes TP27 touch panel as human machine interface(HMI),and takes multi-point interface as communication protocol.是什么意思_And then a suit of tension control system was developed,which takes S7-300 PLC of SIEMENS company as controller,takes TP27 touch panel as human machine interface(HMI),and takes multi-point interface as communication protocol.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句