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| 缓冲节: 26 phrases in 12 subjects |
| Advertising | 2 |
| Automobiles | 6 |
| Computers | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 5 |
| General | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Technology | 4 |
| Water resources | 1 |
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