也可以采用Rheoseal密封，它在轴封内表上加工有反向螺旋槽，可使聚合物被反压回到进口。

Also, it can be used in Rheoseal seal shaft sealing in a table, can make the reverse spiral groove back by the import of polymer.

youdao

也可以采用Rheoseal密封，它在轴封内表上加工有反向螺旋槽，可使聚合物被反压回到进口。

Also, it can be used in Rheoseal seal shaft sealing in a table, can make the reverse spiral groove back by the import of polymer.

youdao