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1·The resilient seal flexes and energizes, assuming the shape of the seat.

弯曲并充满活力，保持了阀座的形状。

2·A resilient annular seal is located within the longitudinal channel of each segment.

弹性密封环位于各段纵向通道的内部。

3·While medium pressure and the upstream end of the resilient and flexible structures to increase the downstream end of the valve seat seal.

同时介质压力与上游端挠性结构的回弹力又增加了下游端阀座的密封。