internal lubricant是什么意思

用法例句

Influences of polarities and internal lubrication indexes of plastic lubricant on lubrication were described as well as its differences with the actual determination results of lubrication.

介绍了塑料润滑剂及润滑作用的理论与研究现状,概括了塑料润滑剂的极性和内部润滑指数对润滑作用的影响及其与实际测定润滑作用结果的差异,归纳了塑料润滑剂与机械行业润滑剂的区别。