Essentially balanced single seat minimizes a variation in delivery pressure resulting from a varying inlet pressure.

基本平衡单阀座最大限度减小进口压力变化对输出压力的影响。

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You'd better have your assigned seat, the plane is balanced.

请对号入座，飞机有配载平衡的。

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

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。

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