对活塞环槽表面的激光热处理工艺与机理进行了试验研究。

The laser heat treatment process and mechanism on the surface of piston ring groove were studied.

youdao

对活塞环槽表面的激光热处理工艺与机理进行了试验研究。

The laser heat treatment process and mechanism on the surface of piston ring groove were studied.

youdao