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| 循环输送链; 循环链 | |||
| 环链 | |||
| 轮链; 环状链; 循环链; 无极链; 无端链 | |||
| endless chain: 34 phrases in 7 subjects |
| Agriculture | 3 |
| Animal husbandry | 1 |
| Electronics | 1 |
| Metallurgy | 3 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Technology | 24 |
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