The shear ram valve not only can shear wire ropes, but also can close a well mouth, thereby largely satisfying the safety of pumping operation in an oil filed.

本实用新型既能剪切钢缆又能封闭井口的装置，极大地满足了油田捞油作业的安全。

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In operation, to a fault and will inevitably damage, which can not be normal pumping.

在运行中，难免会发生故障和损坏，以致不能正常抽水。

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Oil pipeline pumping stations may be classified by the function or purpose, by the type equipment used, by the method of operation, or by the material pumped.

输油管道泵站可以其功能或目的、所用设备类型、操作方法、或泵送的油料等进行分类。

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The pumping operation is currently centred on the areas of Curry Moor, Moorland and Langport.

BBC: Floodwater being pumped

The "biggest ever" pumping operation is under way on the flooded Somerset Moors and Levels, the Environment Agency says.

BBC: Floodwater being pumped