First stage product quality planning of diesel engine piston ring.
负责柴油机新产品质量先期策划。
Finally, the optimum piston skirt profile of 135 diesel engine is made as an example.
最后以135型柴油机活塞为例，进行了裙部型线的优化设计。
The twist angle of L shape piston ring directly influences the performance of diesel engine.
形活塞环的扭角对柴油机的性能有着显著的影响。
A test platform is built and piston ring wear is simulated in YC4108D diesel engine.
以YC 4108d柴油机为研究对象，构建试验平台，模拟活塞环磨损。
A test platform is built and piston ring wear is simulated in YC4108D diesel engine.
以YC 4108d柴油机为研究对象，构建试验平台，模拟活塞环磨损。
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