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85问答库 > 活塞与缸壁之间的间隙过大或过小会产生什么影响

活塞与缸壁之间的间隙过大或过小会产生什么影响

2025-04-03 21:21:20

推荐回答（2个）

回答1：

间隙过大容易导致，机油窜入燃烧室导致积碳过多，降低发动机性能。
（因为活塞与缸体的材质上的区别，热膨胀系数不同）间隙过小容易造成活塞拉缸。
我了解的就这么多^_^

回答2：

他们主要靠活塞环来压缩的和固定活塞防止和气缸碰触摩擦。

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