Closed system, negative pressure operation, no dust emissions, a good operating environment.

系统全封闭，微负压操作，无粉尘飞扬，操作环境好。

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For example, reactors of this type can be smaller than conventional uranium reactors, partly thanks to their low-pressure operation.

举例来说，这种反应堆比传统铀反应堆要小，部分得益于其低压运转特性。

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This paper introduces advantages and problems of sliding pressure operation of deaerator, states measurements to prevent boiloff of entrance of water - supplying pump.

本文介绍了除氧器滑压运行的优点和问题以及除氧器滑压运行防止给水泵入口汽化的措施。

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"They said 'being a sportsman obviously helped you to withstand the pressure of the operation and that's pulled you through', " he added.

BBC: Stoke City legend Terry Conroy recovers from surgery

His club said an operation to remove pressure on his spine had gone well.

BBC: Assaulted football player Nicky Morgan 'in good spirits'

All this while the Pakistanis have resisted growing international pressure to launch a military operation against what many call its "assets", including Mullah Nazir's faction, in the Waziristan region.

BBC: Taliban's Mullah Nazir death spells trouble for Pakistan