torque converter and transmission meaning in English

二。变距器及传动机构

In the course of at reserching , developing and matching with the entire vehicle , the characteristics of torque converter and transmission , together with the integral performance of the power train which mainly consists of engine and automatic transmission , need to be analysed . base on this , optimization design and combination control can be realized
在自动变速器的研究、开发及整车匹配过程中，需对液力变矩器与变速器的性能，以及以发动机和自动变速器为主的动力传动系的整体性能进行分析，以达到整个动力传动系的优化设计和综合控制。