The sealing structure and principle of hollow metal O-ring was introduced.

介绍了金属空心o形圈的密封结构和密封机理。

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The principle of Smart I/O Interface based on FPGA and its application for Aircraft ELMC are presented.

介绍了基于FPGA技术的智能化I/O接口技术的实现原理及其在飞机电气负载管理中心中的应用。

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On the base of applying big power transducer in Yinchuan Cogeneration Power Plant, introduces the principle o…

银川热电厂应用大功率变频器对热网循环水泵进行变频器控制，达到了调速操作简单和节能的目的。

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Whodunit fetish notwithstanding, the Wenger Principle holds that O'Neill is doing a better job than Bruce because he's better at the nuts and bolts of the job: working with his players in training to make them perform better during games.

WSJ: Martin O'Neill: The Whodunit on Sunderland's Sideline