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本文通过对柴油机喷油咀针阀体和奶粉喷头的气蚀磨痕的宏观及微观分析,提出了各自的气蚀机理及改进措施。
In this paper, the macroscopical and microscopic analysis of the cavitation abrasion mark of the diesel injector nozzle body and the nozzle of the milk powder are proposed, and the respective cavitation mechanism and the improvement measures are put forward.