并介绍了活塞的裙部微观形状。
活塞的主要部分叫活塞裙部。其与气缸壁接触形成了支承面。
The main section of a piston is known as the skirts. It forms a bearing area in contact with the cylinder wall.
最后以135型柴油机活塞为例，进行了裙部型线的优化设计。
Finally, the optimum piston skirt profile of 135 diesel engine is made as an example.
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