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This paper introduces the main energy saving technologies of centrifugal pump.And the author proposes a new energy saving technology which is called prerotation regulated by the inlet guide vane.

本文介绍泵节能的主技术，并提出导叶预旋调节的节能技术。

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原声例句
生活大爆炸 第4季

Well, Mrs. Latham said she was seriously considering donating money so we could get a cryogenic centrifugal pump... Yes!

莱森说她在考虑要给我 好让我买一个心泵 太棒了！

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生活大爆炸 第4季

So, hey, speaking of money, how are you feeling about helping the physics department get a cryogenic centrifugal pump and molecular sieve?

说到 你想不想帮物理系添置一个心泵和一个分子筛？

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fatting, fattish, fattrels, fatty, fatty acid, fatty liver, fatty oil, fatty tissue, fattypuff, fatuity,

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3G, 401(K), a,
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