本文介绍安全气囊系统的工作原理、主要零部件的结构，安全气囊的事故诊断方法使用和维护方法以及智能型安全气囊的特点。
The thesis introduced principle of safety air bag, structure of main parts, diagnosis method, maintenance method and characteristics of intelligent safety air bag.
简要讲述了表面安装自动生产线中高速贴片机CM 82c的主要操作程序，主要部件的作用，介绍了作者对设备的维护实践。
Has a brief discussion to the main operation program and the effect of main parts of hi - Speed chip mount CM82C, then introduced the author's maintenance experience to this machine.
系统中主要部件排风机将不会受到油污的污染，且不需清洗，具有维护简单，使用寿命长和油烟分离效果高的优点。
The main component of the system, the exhaust fan, can not be polluted by the soot, needs no cleaning, and has the advantages of simple maintenance, long service life and good soot separating effect.
本文综述了该机的研制历程，发动机的性能，各主要部件的设计和维护特点。
This paper gives a comprehensive description of the WR-21 research and development history, engine performance as well as the design and maintenance features of its main components.
本文综述了该机的研制历程，发动机的性能，各主要部件的设计和维护特点。
This paper gives a comprehensive description of the WR-21 research and development history, engine performance as well as the design and maintenance features of its main components.
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