This result which was investigated for coating on aluminium cast of piston-diaphragm pumps, was practically proved to pass the identification of "pr..."

还对铝表面的预处理进行讨论。使用本研究成果涂装的活塞隔膜泵已通过省级鉴定。

youdao

This result which was investigated for coating on aluminium cast of piston-diaphragm pumps, was practically proved to pass the identification of "pr..."

还对铝表面的预处理进行讨论。使用本研究成果涂装的活塞隔膜泵已通过省级鉴定。

youdao