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發(fā)布時(shí)間: 2012-11-5 16:59
正文摘要:本帖最后由 牛先生 于 2012-11-5 17:00 編輯 液體流過管道時(shí)所需的壓頭與流量間的函數(shù)關(guān)系: 管路阻力Sh=kQ*Q,是一條二次拋物線。傾斜程度取決于阻力,縱坐標(biāo)起點(diǎn)位置取決于管 ... |
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