介绍了一种新型高压氨泵采用干气密封的结构及工作原理。

A new type of dry gas seal structure and working principle applied on high pressure ammonia pump were recommended.

youdao

介绍了一种新型高压氨泵采用干气密封的结构及工作原理。

A new type of dry gas seal structure and working principle applied on high pressure ammonia pump were recommended.

youdao