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| 复合齿轮; 组合齿轮 | |||
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| 组合齿轮; 塔形齿轮组 | |||
| 复式齿轮 | |||
| 复合齿轮 | |||
| 复合齿轮 | |||
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compound gears : 14 phrases in 6 subjects |
| Agriculture | 1 |
| Automobiles | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Nautical | 2 |
| Oil / petroleum | 3 |
| Technology | 4 |
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