The fundamental constructional feature of the electronic anti-blocking brake system and assessment method of the system for a car are presented in the article.
介绍了电子防抱制动系统的基本结构特点，以及如何评价一辆车的电子防抱制动系统。
This article introduce a mechanism of rotational doll for mechanical pendulum musical alarm clock, and analyze the constructional feature and operational principle in detail.
本文介绍了一种机械摆钟音乐报时旋转玩偶装置的设计，对其结构特点及工作原理进行了详细的分析。
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