First stage product quality planning of diesel engine piston ring.
负责柴油机新产品质量先期策划。
A piston engine is said at best to be only 33% efficient.
一台活塞式发动机被充其量说只成为有效率33%。
Next, in view of swings the piston engine overall structure to carry on the design.
其次，针对摆动活塞式发动机的总体结构进行设计。
They use a piston engine instead.
他们改用活塞发动机。
Piston is the key part that affects the performance of a engine.
活塞是影响发动机性能的关键零件。
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。
The piston-link machine is a main part in the gas engine.
活塞连杆机构是内燃机的主要运动机构之一。
The piston ring is a key part of automobile engine.
活塞环是汽车发动机的关键零件。
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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