原泵轴封采用浮动环形式的密封结构，密封稳定性较差。

Original shaft with floating ring seal forms a sealed structure, sealed and is less stable.

youdao

原泵轴封采用浮动环形式的密封结构，密封稳定性较差。

Original shaft with floating ring seal forms a sealed structure, sealed and is less stable.

youdao