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| 通畅的: 17 phrases in 9 subjects |
| Agriculture | 1 |
| Drilling | 1 |
| Economy | 2 |
| General | 3 |
| Hydroelectric power stations | 1 |
| Management | 1 |
| Technology | 6 |
| Telecommunications | 1 |
| Wind Energy | 1 |
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