高等院校工程训练中齿轮测量工艺是金工实习过程中一个重要组成部分。

Gear measuring process is an important part of metalworking practice for high education institutes.

youdao

高等院校工程训练中齿轮测量工艺是金工实习过程中一个重要组成部分。

Gear measuring process is an important part of metalworking practice for high education institutes.

youdao