离心泵转数改变后,其扬程的变化满足()。

A .https://assets.asklib.com/images/image2/2017051615384761754.jpg B .https://assets.asklib.com/images/image2/2017051615390215030.jpg C .https://assets.asklib.com/images/image2/2017051615391556761.jpg D .https://assets.asklib.com/images/image2/2017051615392776177.jpg

时间:2022-11-03 20:37:56 所属题库:合成氨生产工中级题库

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