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2018-06-24View Original

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Reply #22018-06-24
"每日一題甲醇技術交流版",
Reply #32018-06-25
"学*兄弟版块的先进经验,答对有奖,回答就有奖,让我们在问答中进步与成熟。 简答: 离心泵的工作原理: 离心力的作用下 液体从叶轮中心被抛向外缘并获得能量, 以高速离开叶轮外缘进入蜗形泵壳。在蜗壳中 液体由于流道的逐渐扩大而减速 最终动能转变为静压 并再以较高的压力排出管道。 液体由叶轮中心流向外缘时 叶轮中心形成了一定的真空 由于贮槽液面上方的压力大于泵入口处的压力 液体便被连续压入叶轮中。叶轮不断地转动 液体便不断地被吸入和排出。",
Reply #42018-06-26
"正确 �谢谢超版普及知识!",

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