便拆式管道泵系石油化工流程泵，为国家专利产品。

The convenient unweave type inline chemical pumps are the patent products for petrochemical process.

youdao

便拆式管道泵系石油化工流程泵，为国家专利产品。

The convenient unweave type inline chemical pumps are the patent products for petrochemical process.

youdao