The pressure limit valve is still used to cover the steam nozzle for ensuring the surplus steam to exhaust freely.

汽嘴之上仍用压阀扣上，以保证多余的蒸汽能自由排放。

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Comments: a simple preventative maintenance program and good operating procedures can address and limit the disadvantages of this valve.

评论：一个简单的预防性的维护程序和良好的操作程序能够限制这种阀门的缺点。

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The limiting factor in valve selection is the lowest temperature limit of the packing or seat.

阀门选型的考虑因素之一是填料或阀座的最高温度限制。

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It was a release valve that allowed the parties to reach a deal on the debt limit in the summer of 2011 to avoid sending the nation into default, with the understanding that a broader agreement on the debt and deficit would be reached.

CNN: Cuts will turn off voters GOP is courting