This paper introduces the research of liner product line technology rebuilding in the Second Rubber Factory of Qing Dao .

本文介绍了青岛市橡胶二厂内衬层生产线技术改造的研究。

youdao

This paper introduces the research of liner product line technology rebuilding in the Second Rubber Factory of Qing Dao .

本文介绍了青岛市橡胶二厂内衬层生产线技术改造的研究。

youdao