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| groundwater system | |||
| groundwater regime; underground water system | |||
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地下水系统 : 40 phrases in 8 subjects |
| Animal husbandry | 2 |
| Earth sciences | 1 |
| Engineering geology | 6 |
| Mining | 1 |
| Refrigeration | 2 |
| Sports | 1 |
| Technology | 25 |
| Water resources | 2 |
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