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2019-01-24View Original

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Reply #22019-01-24

{"泵效率讨论",

Reply #32019-01-24

Reply #42019-01-24

Reply #52019-01-24

Reply #62019-01-25

{"现有一台5L级变频卧式油泵，有两种工况D对应的D种种不同的介质D流量相同D扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬扬程不同工况一大于于工况二通过变频降速可以达到工况D请问请问请问请问请问D请问D这时的效率怎么计算D有没有哪个标准或者书籍提到这个计算公式D

Reply #72019-01-25

Reply #82019-01-25

{"我们遇到这样的情形D一把考虑效率基本不变D当然D肯定有出入D应该不大D看看其他海友怎么说DlolD

Reply #92019-01-25

Reply #102019-01-27

Reply #112019-04-13

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