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2018-03-13View Original

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参与：奖3财富；回答正确：奖10财富；注：48小时内回答正确奖励10财富，此贴有效时间48小时。判断题：某一台泵在运行中发生了汽蚀，同一条件下换了另一种型号的泵，同样也会发生汽蚀。正确答案：× https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg

Reply #22018-03-13

错误，因为两台泵的必须气蚀裕量NPSHr不同。

Reply #32018-03-13

某一台泵在运行中发生了汽蚀，同一条件下换了另一种型号的泵，同样也会发生汽蚀。(x)

Reply #42018-03-13

本帖最后由 Yann 于 2018-3-13 12:55 编辑 √ ，因为气蚀和工艺有关，也设备的材质有关，如果设备不改变结构和材质，我觉得不能避免二次气蚀

Reply #52018-03-13

错误。不一定，另一种型号的泵要看是什么类型的泵

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