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2018-05-17View Original

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Reply #22018-05-17
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Reply #32018-05-18
["是否在管道截面上多点开孔安装压力环测量有意义?",
Reply #42018-05-18
"本帖最后由 心有猛虎 于 2218-5-17 6:522编辑 在一些DN大于30以上的管道上上看到同一截面均布3个点以上取压点垂直截面,然后外面做个环把几个点连起来,环顶部接压力变送器、皮托管之类。说是测压环。据说是为了压力均匀什么的,这样有意义么?跟直接在管道顶部测压有什么差异么?难道管内同一截面压力有差异接出来就没了么?大口径了去考虑位差对测量的影响?想不通,谁给解释下;P",

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