采购产品废料，金属，钢铁，换热器，铝，铜，计算机黄铜废料，塑料。

Scrap, Metals, Steel, Heat Exchangers, Aluminum, Copper, Computer Scrap Brass, Plastic.

youdao

采购产品废料，金属，钢铁，换热器，铝，铜，计算机黄铜废料，塑料。

Scrap, Metals, Steel, Heat Exchangers, Aluminum, Copper, Computer Scrap Brass, Plastic.

youdao