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| 共同工作; 共同作业 | |||
| 关节功 | |||
| joint work: 20 phrases in 7 subjects |
| Architecture | 3 |
| Bridge construction | 2 |
| China | 1 |
| Electronics | 1 |
| Name of organization | 1 |
| Technology | 11 |
| Water resources | 1 |
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