The improved method is better than theprojection method and the direct measurement of powder sample.

在测试厚度方面，浇铸光片法优于投影法及粉末粘结法。

youdao

The improved method is better than theprojection method and the direct measurement of powder sample.

在测试厚度方面，浇铸光片法优于投影法及粉末粘结法。

youdao