The CTC system is the most important equipment for train operation in railway transportation dispatch and command,which can enhance the efficiency of railway dispatching command and assure train operation safety.是什么意思_The CTC system is the most important equipment for train operation in railway transportation dispatch and command,which can enhance the efficiency of railway dispatching command and assure train operation safety.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句