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| 地下水位等高线 | |||
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| 等水位线 | |||
| 地下水等水位线; 地下水等高线; 潜水等高线 | |||
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| 等水位线 | |||
| water table contours: 10 phrases in 2 subjects |
| Engineering geology | 4 |
| Technology | 6 |
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