我们进口石墨片、石墨环、密封产品、水泵垫圈。

Graphite sheet, graphite rings, sealing products, gaskets for pumps.

youdao

我们进口石墨片、石墨环、密封产品、水泵垫圈。

Graphite sheet, graphite rings, sealing products, gaskets for pumps.

youdao