半自动滚镀铜、镍、银、锌、锡及无电解镀镍等。

Semi-automatic rolling copper, nickel, silver, zinc, tin, etc. and electroless nickel plating.

youdao

半自动滚镀铜、镍、银、锌、锡及无电解镀镍等。

Semi-automatic rolling copper, nickel, silver, zinc, tin, etc. and electroless nickel plating.

youdao