The paper describes some jamming phenomena at intermediate pressure main stop valve on a 600MW steam turbine, reasons are analyzed and some effective methods are carried out.

描述了某600MW机组中压主汽门的卡涩现象，对各种原因进行了分析，并采取了切实有效的处理方案。

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Focus on the leak and block of the high pressure main stop valve, from the material of the gasket, the pressure of the bolt and the entire mechanical structure in Gujiao Xingneng Power Generation Co.

针对山西兴能发电有限责任公司高压主汽阀门泄漏以及高压调汽阀卡涩的问题，从垫片的材质、螺栓的预紧力以及机械结构等多方面进行了细致地分析。

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It can be predicted that admiring the scenery and alleviating pressure will still be the main purpose for people to arrange a traveling to other countries.

可以预见，欣赏风景、缓解压力仍将是人们安排出国旅游的主要目的。

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The European Union, Niger's main aid donor, is contemplating severing ties to pressure Niamey to restore constitutional order.

VOA: standard.2009.11.14

"HSE's investigation has concluded that National Grid Gas have correctly applied their gas mains maintenance procedures in relation to the low pressure main located at 1-5 Bridge Street, " the report said.

BBC: Shrewsbury gas explosion 'no-one's fault' HSE concludes

It is a low pressure gas main.

BBC: Trains cancelled after Portsmouth gas leak

Employees may be able to purchase their shares at a discount, but often the main pressure is corporate culture.

ECONOMIST: Enron's demise unmasks conflicts in company pension plans