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功率大的离心泵前后为什么装有节流膨胀阀?_其他_设计456问答
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功率大的离心泵前后为什么装有节流膨胀阀?
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提问时间: 07-30 09:39
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2个答案
这个应该是对该泵工作时的压力变化起到保护、与自动调节作用。