This paper introduced failure analysis of hydraulic system of traction part of coal mining machine and set up the system of equipment management and fault diagnosis by use of oil analysis.是什么意思_This paper introduced failure analysis of hydraulic system of traction part of coal mining machine and set up the system of equipment management and fault diagnosis by use of oil analysis.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句