An internal-combustion engine consisting essentially of an air compressor, a combustion chamber, and a turbine wheel that is turned by the expanding products of combustion.
一种内燃机，主要包括一空气压缩机、一燃烧室和一涡轮机，通过使燃烧的生成物膨胀而驱动。
This paper describes basic structures and working principle for the machine for cutting and expanding the wheel lock ring, showing the design concept about essential elements.
介绍挡锁圈扩切机基本结构及工作原理；机床的几个关键部位的设计构思。
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