1) downshift
[英]['daʊnʃɪft] [美]['daun'ʃɪft]
降速变换，降档
2) transmission downshift
变速箱降档
3) speed difference of gearing down
降档速差
1.
Some important conceptions,such as the predetermination of gear shifting and the speed difference of gearing down,and the roles they played are set forth.
文中详细阐述了换档规律和降档速差等重要概念及其作用,并通过对自动变速箱中核心组件的结构分析,说明了实现换档规律的具体方法。
4) Degradation transform
降质变换
5) decrcasing power transformation
降幂变换
6) Transform Degrade
变换降级
补充资料：差降
1.按等第递降。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条