Disc– machined seating surface is mated to seat ring for positive shutoff.

阀瓣-机加工阀座表面，配置阀座环，实现积极有效的关闭。

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Special extra width, monel seat ring allows for wear without loss of seal.

特别超宽蒙乃尔密封环，经得起磨损而不会丧失密封性能。

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Seat ring is progressively crimped on a lathe to imprison the O-ring in it.

在机床上，阀座密封环逐渐起波纹，并将O形环束缚在里面。

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It's one of the privileges of being a journalist: a ring-side seat for the memorable, bizarre or one-off event.

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He had a ring-side seat, in other words, while his lover wasted away.

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And if he's sitting on the seat of his pants in the middle of the ring, there's not much they can shout.

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