英语词典
This paper focuses on the optimization design of curved stem cranking bar mechanism used single variation parameter ( auxiliary angle) based on the optimum drive angle and maximum itinerary velocity variation coefficient. The method is practical, feasible and can help improve the quality of mechanism design.
利用单变参数(辅助角)按最佳传动角及最大行程速度变化系数对曲柄摇杆机构进行优化设计,提高了机构设计质量,方法实用可行。
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The fixed pulley is rotated by a cranking bar to wind the steel cable, a spare tire can be lifted, and the spare tire can be put down stably by rotating in reversal the cranking bar.
使用摇把转动定滑轮圈绕钢丝索,即可提升备胎,反转摇把即可平稳降下备胎。
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