During the winter months, the pump circulates a mix of water and glycol (antifreeze) into the Wells through loops of pipe.

在冬季，地热泵会将水与乙二醇(防冻剂)的混合物泵入深入地热井的管道中进行循环。

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In the summer, the process reverses, with the pump sending water and glycol into the pipe to help cool the house.

在夏季，程序正相反，地热泵会将水与乙二醇送入管道中以帮助房屋内制冷。

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On May 26th BP started to pump heavy drilling mud into the blowout preventer, the set of valves at the top of the well to which that broken pipe is attached.

5月26日，英国石油公司开始将重型钻探泥浆用泵抽运进防喷装置- - - - -它是由多个气阀构成，位于油井顶部，连接着那根已断裂的立管。

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It claimed that a pump used to pipe water to thousands of homes was damaged after being repeatedly powered on and off.

BBC: Water tap

All over the world, telecoms and cable companies are fighting to provide people's houses with a broadband pipe that can pump in a high-speed Internet feed and the whole digital future.

ECONOMIST: Communications in Britain

Tyco (NYSE:TYC) spun off its ADT Corp. (NYSE: ADT) alarm security business as a separate public company on October 2 after selling its pipe and valve business earlier this year to pump maker Pentair.

FORBES: Corporate Castoffs Can Be Keepers