As one of important flow industry, petrifaction enterprises have typical material supply chain characters.

石化行业作为重要的流程工业之一，有其典型的物资供应链特点。

youdao

As one of important flow industry, petrifaction enterprises have typical material supply chain characters.

石化行业作为重要的流程工业之一，有其典型的物资供应链特点。

youdao