People came in flocks to see the new hydraulic power station beside the dam.

人们成群结队地来参观水坝旁边新建的水电站。

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Hydraulic power is more efficient than either electric power or internal combustion.

液压驱动比电力或内燃机都有效。

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The heaters prevent the freezing of fuel lines that provide hydraulic power to steer the shuttle during ascent and reentry.

加热器可防止燃料的冻结，确保飞行器升空和返回的燃料供给。

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Eager to escape Beijing, he volunteered for a post at the Liujiaxia Hydraulic Power Plant in the northwestern province of Gansu.

CNN: A MAN FOR ALL SEASONS

Electronic steering is replacing hydraulic power-steering in many cars.

ECONOMIST: Rational consumer

Controlling steering using electric motors also helps to reduce fuel consumption and hence carbon-dioxide emissions. (Electric motors require power only when the steering wheel is turned, whereas a hydraulic pump drains power from the engine all the time.) Ford reckons 90% of its cars will have electronic steering within three years.

ECONOMIST: Rational consumer