Credible design of shaft seal, which can bear high pressure and be used in parallel or in series.

可靠的轴密封设计，能承受高背压，可以串并联使用可以串并联使用。

youdao

Credible design of shaft seal, which can bear high pressure and be used in parallel or in series.

可靠的轴密封设计，能承受高背压，可以串并联使用可以串并联使用。

youdao