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.
本绍了离心泵节能的主技术，并提出了前置导调节的节能技术。
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Well, Mrs. Latham said she was seriously considering donating money so we could get a cryogenic centrifugal pump... Yes!
莱森说她在考虑捐钱 好让买一个低温离 棒了！
So, hey, speaking of money, how are you feeling about helping the physics department get a cryogenic centrifugal pump and molecular sieve?
说到钱 你想不想帮物理系添置一个低温离和一个分子筛？
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划词翻译
详细解释
绍了离心泵节能的主
技术，并提出了前置导
调节的节能技术。
捐钱 好让
棒了！
