车圈：通常为圆形，车轮的组成部分，与车轴，辐条，内胎，外胎共同构成车轮系统。 英文：rim 车圈的分类 按材质可分为钢圈、铝圈、碳圈等。
Therefore, this thesis does some research on the mechanical experiment of bicycle rim. This thesis aims at opening one mechanics experiment course of bicycle rim for undergraduate students.
因此,本文对自行车车圈结构的力学实验进行了研究。
参考来源 - 自行车车圈结构的力学实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
因此，本文对自行车车圈结构的力学实验进行了研究。
This paper is a study on relations between bicycles and urban form.
不光是拉力相当高，而且因为他们编排辐条的方法使得每2 根辐条的拉力都集中在了车圈上很小的一块地方。
Not only is the tension high, but by pairing the spokes they load all the tension from two spokes into one small area of the rim.
台阶截面环件轧制作为火车轮、自行车圈、轴承环、管道法兰盘、管道联接件等部件的主要生产方式，应用极广。
As train wheels, bike rims, bearing ring, piping flange tray and piping link piece etc, ring with outer stepped is applied widely.
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