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["L'essai ouvert d'un même pompe donne un headur plus élevée que l'ssess fermé.",["

2018-10-11View Original

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RT,想来想去,也没想明白,求解答
Reply #22018-10-11
本帖最后由 3983596_FPPZ 于 2018-10-11 13:33 编辑 不应该差这么大的,应该是仪表故障或者操作有误
Reply #32018-10-11
测试了几次,只要把试验台灌满水,结果都要高几十米,接通大气就降几十米
Reply #42018-10-11
应该将出口阀加以控制在阀前压力为设计值你再试试。因为你接入大气流量就开始增加了,故压力降低。不妨一试。

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