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| combined action | |||
| composite action; group action | |||
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组 合作用 : 26 phrases in 9 subjects |
| Aviation | 1 |
| Bridge construction | 10 |
| Earth sciences | 1 |
| Finances | 1 |
| General | 1 |
| Hydroelectric power stations | 4 |
| Name of organization | 1 |
| Space | 1 |
| Technology | 6 |
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