常见例句

双语例句

Using liquid paraffin or mineral oil as base oil, the effect of DE film forming agent on the tribological properties of lubricating oil was studied on a pin-on-disk tester and a four ball tester.
以液体石蜡或二线油为基础油，在栓-盘式试验机和四球试验机上就DE成膜剂对润滑油摩擦学性能的影响进行了研究。结果表明，添加DE成膜剂明显地改善了润滑油的摩擦学性能；