roller pin

• 滚针,滚轮销

roller pin的用法和样例：

例句

1. Needle roller bearing is a bearing.
   滚针轴承是轴承的一种。
2. Combined needle roller bearings provide the means to produce locating bearing arrangements in a minimum of radial space.
   组合式滚针轴承在很小的径向空间里对固定端轴承配置进行定位。