- stepped drive
- 多级变速传动: multispeed drive; multiple-s ...
- 装置: installation; device; appara ...
- 无级变速传动装置: adjustablespeed drive; fully adjustable speed drive; infinitely variable speed transmission; stepless drive; stepless variable drive; vari-speed drive
- 多级变速传动: multi-speed drive
- 正无级变速传动装置: positive infinitely variable driving gear
下载手机词典可随时随地查词查翻译