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| 防止土壤侵蚀 | |||
| 土壤侵蚀控制 | |||
| 水土流失控制; 土壤冲刷控制 | |||
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soil erosion control : 10 phrases in 4 subjects |
| Agriculture | 4 |
| Earth sciences | 1 |
| Hydroelectric power stations | 3 |
| Technology | 2 |
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