three-ring reducer的用法和樣例：
例句
- With the help of this method, the effciency of the serialization design of three-ring reducer can be improved.
該方法可有效地提高了三環減速器系列化設計的效率。 - By means of finite element method,this paper carried out a statics analysis on the complete appliance of three-ring reducer.
三環減速器是以漸開線少齒差行星齒輪傳動原理工作的一種新型傳動裝置。
