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| gearbox | |||
| shifting gear | |||
| Gear (A SmartArt graphic layout used to show interlocking ideas. Each of the first three lines of Level 1 text corresponds to a gear shape, and their corresponding Level 2 text appears in rectangles next to the gear shape. Unused text does not appear, but remains available if you switch layouts) | |||
| change speed; speed-change; speed-change mechanism; speed-changing mechanism; variable gear; variable speed transmission; variable transmission; variable-speed drive | |||
| vaihteisto: 12 短语, 4 学科 |
| 机械工程 | 5 |
| 林业 | 1 |
| 电子产品 | 2 |
| 运输 | 4 |