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在日本做機(jī)械設(shè)計(jì)的感受48:管道流動(dòng)的計(jì)算 |
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點(diǎn)評(píng)
這個(gè)估計(jì)是經(jīng)驗(yàn)數(shù)值。尤其是他有對(duì)應(yīng)的直徑。
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點(diǎn)評(píng)
純粹得猜測(cè)一下:
不妨同時(shí)測(cè)量一下管道兩端油的溫度差
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