润滑油试验 meaning in Chinese

lubricating oil test

Standard practice for determination of precision and bias data for use in test methods for petroleum products and lubricants
石油产品和润滑油试验方法中使用的精密度和偏差数据测定的标准实施规程
Railway rolling stock . testing method of greases for axle - boxes with rolling bearings . vibrations , shocks , rotation and pressures enduring test on " ropecacs " machine
铁路车辆.转动轴箱润滑油试验方法.试验台振动撞击旋转和耐压试验