gearbox rubber ring

• 变速箱胶圈

gearbox rubber ring的用法和样例：

例句

1. I need to buy auto gearbox,please and contact us.
   我们需要求购汽车变速箱，请与我们联系。
2. The biggest advantage of the case without gearbox transmission speed can be adjusted to achieve an accurate calibration.
   最大优点为在无需变速箱的情况下可以准确实现传动速度的调整校正。