The basic construction, working principle, operating behavior and remedy of door hinges in light motor vehicles are introduced in this paper.
介绍了轻型汽车车门铰链的基本结构、工作原理、使用性能和维修方法。
The basic principle and the construction of contact-free control system are analysed, and its logic circuit and working waves are presented.
介绍了无触点控制电路的构成和工作原理，给出了逻辑电路图和工作波形图。
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