And the wear rates of 3Y-TZP ceramics with the water lubrication were lower than that of dry sliding.
水润滑下陶瓷磨损率较干摩擦时的要低。
参考来源 - YThe result of the analysis reveals that leaking oil too much of lubrication area is the major factor of low oil pressure.
分析结果表明,润滑部位泄油太多,是造成该机主油道压力偏低的主要原因。
参考来源 - 某柴油机机油压力偏低原因分析及改进研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Ply yarns are usually slashed for lubrication and or smoothness.
股线通过上浆，其润滑性能和（或）表面的光滑性能可以得到改善。
Inspect bearing lubrication if the oil level is in normal level.
检查轴承是否有油，滑动轴承应检查是否达到规定油位。
Emulsion lubrication system, rod quenching device, twin-coiler, line electric control, etc.
乳化液系统，连续淬冷装置，双筐收杆。
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