提出了不同工况下适宜的润滑脂类型及其浓度的选用原则。

Some principles to choice convenient type and structure of grease under different conditions were suggested.

youdao

提出了不同工况下适宜的润滑脂类型及其浓度的选用原则。

Some principles to choice convenient type and structure of grease under different conditions were suggested.

youdao