For assuring the maximum flow area at outlet of plunger, the outlet runner of plunger is supposed to be streamline, which would lower the flow resistance at outlet plunger.
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美
- 在保证柱塞出口有最大过流断面的同时,也应将柱塞出口流道设计成流线型,以此降低柱塞出口处的过流阻力。