- sliding change drive
- 滑动: slither; slippage; slipping; ...
- 变速传动: change drive
- 变速传动变速传动装置: change drive
- 变速传动: adjustable speed drive; change drive; selective transmission; speed-transforming transmission; variable speed drive; variable transmission; varidrive
- 滑动变速齿轮: selective sliding gear
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