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| 双联轴节 | |||
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double coupling : 19 phrases in 11 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Construction | 2 |
| Information technology | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Skiing | 1 |
| Technology | 5 |
| Water resources | 3 |
| Wind Energy | 2 |
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