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[". ["일일 문제", 泵设备技术交流版 pérdida

2018-04-23View 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。 选择题: 水泵出口压力表示数0.6MPa,入口过滤器压差表示数为0.03MPa,入口压力表示数0.05MPa,其总扬程为()MPa。 A、0.57 B、0.55 C、0.6 D、0.52 正确答案:B https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg
Reply #22018-04-24
随便选个B,没太懂总压头啥意思
Reply #32018-04-24
我选择:B 对吗 出口压力0.6减去进口的0.05=0.55

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