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河 头 : 40 phrases in 12 subjects |
| Agriculture | 1 |
| Construction | 1 |
| Desert science | 1 |
| Engineering geology | 3 |
| Finances | 1 |
| General | 2 |
| Hydroelectric power stations | 2 |
| Life sciences | 1 |
| Oil / petroleum | 2 |
| Technology | 23 |
| Textile industry | 2 |
| Water resources | 1 |
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