balancer gear mark 平衡器齿轮记号
crankshaft gear mark 曲轴齿轮记号
idler gear timing mark 中间齿轮正时记号
gear timing mark 齿轮正时标记
gear compound mark 传动机构痕迹
Mark: But I have some new hiking gear I want to try out.
马克：但是我有一些新的健行装备，我想要试用看看。
The company, founded in 2003 in Park City, Utah, made its mark selling colorful, street art-inspired audio gear in an iPod white or everyone-else-black world.
Skullcandy公司于2003年成立于美国犹他州帕克市。 目前，iPod采用白色耳机，而其他公司则仅有单调的黑色产品，Skullcandy则受到街头文化的启发，推出了彩色音频设备，让公司异军突起。
The load assignment formula and the method of the double circular arc gear under the wiring error influence between the contact mark was introduced and inferred.
介绍并推导双圆弧齿轮在安装误差影响下接触迹间载荷分配的计算公式和方法。
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