树脂结合剂的金刚石砂轮的全自动电热板压机等等。

Resin with a diamond wheel of the Automatic Electric Press, and so on.

youdao

树脂结合剂的金刚石砂轮的全自动电热板压机等等。

Resin with a diamond wheel of the Automatic Electric Press, and so on.

youdao