The mechanism of sealing face operating failure under the action of dynamic pressure is proposed.

提出动压作用下密封端面开启失效机理；

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Hydraulic safety valve series shall be installed on the top the center of the tank, in order to withstand the damage to the tanks caused by operating failure of breather valve.

液压安全阀安装在油罐顶部，与呼吸阀并列使用，在呼吸阀失灵时起安全作用。

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This section provides a simulation of a bad hard drive and a total system failure where the operating system cannot recover.

这部分提供了对坏的硬盘驱动器以及操作系统无法恢复时的总系统故障的模拟。

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Business failure was not nearly as bad as operating outside the success formula.

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But we will be operating in a world that is incomplete and prone to failure.

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But last July one of the spacecraft's four reaction wheels broke down, leaving scientists aware that a further failure was likely and would prevent the telescope operating as it should.

BBC: Nasa's Kepler telescope hobbled by faulty wheel