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發(fā)布時間: 2012-11-13 09:35
正文摘要:離心泵的葉輪切割 當Q和工作H超出實際需要,用切割葉輪法。 降低泵的特性曲線,使工況參數(shù)改變,從而節(jié)省功率。 &nbs ... |
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