This paper summaries the structure principle and design points of underwater pump davit.

该文对水下泵吊放装置的机构原理及设计要点作概要介绍。

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Bottom valve is a energy saving valve, usually installed in the straw at the bottom of the underwater pump. Limit the liquid return pipe water pump, plays not only into the function.

底阀是一种节约能源的阀，一般安装在水泵水下吸管的底端。限制水泵管内液体返回水源，起着只进不出的功能。

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Submersible pump in order to prevent the work in the underwater leakage accidents caused by electric shock should be equipped with residual current protection switches.

为防止潜水泵在水下工作时漏电而引发触电事故，应装有漏电保护开关。

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In an increasingly centralised system he has been the instigator of a series of grandiose projects including a Third Bosphorus Bridge across Istanbul, and an underwater tunnel from Asia to Europe that would pump traffic into the city's historical peninsula.

BBC: Viewpoint: What now for Turkey's ruling party?