广泛用于提炼稀有金属、贵金属、有色金属。

The utility model has wide application for extracting rare metal, noble metal and non-ferro metals.

youdao

广泛用于提炼稀有金属、贵金属、有色金属。

The utility model has wide application for extracting rare metal, noble metal and non-ferro metals.

youdao