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發布時間: 2012-11-1 09:20
正文摘要:泵必須能產生足夠大的排出壓力,其值由排出條件所決定。 穩定流動時所必需的排出壓力: 式中: 排出管路損失∑hd中已經扣除了排出管出口的速度頭損失vs/2g. &n ... |
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