This article introduces the application and transform of the PLC programmable controller and liquid move-board chain type trolly system in Renlou mine assistant shaft operating system.是什么意思_This article introduces the application and transform of the PLC programmable controller and liquid move-board chain type trolly system in Renlou mine assistant shaft operating system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句