The exactness, rationality and practicability of the communication bus were verified by the communication between single-chip microcomputer AT89C52 and PLC.是什么意思_The exactness, rationality and practicability of the communication bus were verified by the communication between single-chip microcomputer AT89C52 and PLC.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句