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通过近期测试的多种车用柴油机活塞漏气量的试验数据对比，总结出了最大漏气量的主要分布规律，并对影响活塞漏气量的主要因素做了简要分析，对“12倍排量”限值提出了自己的见解，指出科学评测发动机活塞漏气量应兼顾发动机的排量、转速及最高平均有效压力。
Through the comparison of the test data of a variety of diesel engine pistons which have recently been tested, the main distribution law of the maximum air leakage is summed up. The main factors that affect the air leakage of the piston are briefly analyzed. Volume "limits put forward their own opinions, pointed out that the scientific assessment of engine piston leakage should take into account the engine displacement, speed and maximum effective average pressure.