简述目前采掘机械设备工况监测的种类，并着重介绍开发较成功的油液监测技术。
The article briefly elaborates the kind of monitoring for working condition of underground equipment and put an emphasis on the more successful oil monitor technology.
本文同时指出，OLF - 1在线铁谱与其它油液分析技术相结合，可以更准确地进行齿轮磨损状态的监测和诊断。
It is pointed out that, moreover, combined with the other techniques of oil analysis, OLF 1 on line ferrography can monitor and diagnose gear wear condition more accurately.
利用油液监测和振动监测技术，分别从摩擦学和动力学两个方面采集试验设备的信息；
Utilizing the oil monitoring and vibration monitoring technologies, the tribology and dynamical data was collected from trial equipment.
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