双平衡阀座设计，比一般的疏水阀体积小而排量大，在特大排量场合更能发挥优越性。

To employ double balanced valve seat design, it has smaller volume and larger displacement and can exert its advantages when needing large displacement.

youdao

双平衡阀座设计，比一般的疏水阀体积小而排量大，在特大排量场合更能发挥优越性。

To employ double balanced valve seat design, it has smaller volume and larger displacement and can exert its advantages when needing large displacement.

youdao