- 调速电气传动
- variable frequency electric drive: 变频电力传动
- variable-frequency electric drive: 变频电气传动
- hydraulic variable speed drive: 液力变速传动; 液压变速传动
- hydraulicefficiency variable speed drive: 液压变速传动液压变速传动装置
- infinitely variable speed drive: 无级变速传动
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