technical arm

Analysis On the Technical Function of Non-putting Arm In the Teaching of Shot Put

非投掷臂在铅球教学中的技术作用分析

The technical problem-that the gliding rotary arm after braking is smaller than a small angle-is solved through internal contracting brake device designed by using electromagnetic circuit.

利用电磁电路设计的抱闸装置，解决了回转臂系统刹车后，滑动小于某一小角度这一技术难题。

The fundamental working principle and classification of motor vehicle window glass lifter are recounted and constructions, features and technical properties of arm type glass lifter, flexible glass lifter and electrically operated glass lifter presented respectively on basis of the above.

叙述了汽车玻璃升降器的基本工作原理和分类，在此基础上分别介绍了臂式玻璃升降器、柔式玻璃升降器和电动玻璃升降器的结构、特点及技术特性。

Present technical status and developmental trends of the automatic adjusting arm of the braking clearance

制动间隙自动调整臂的技术现状及其发展趋势