探明了各常量及微量元素含量对抛光铝材反射率的影响。

The effects of constant and trace elements on the reflection rate of finished aluminium plates were discussed.

youdao

探明了各常量及微量元素含量对抛光铝材反射率的影响。

The effects of constant and trace elements on the reflection rate of finished aluminium plates were discussed.

youdao