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| 土坡; 土质边坡 | |||
| 土质坡 | |||
| soil slope: 28 phrases in 6 subjects |
| Agriculture | 3 |
| Bridge construction | 3 |
| Desert science | 2 |
| Ecology | 8 |
| Hydroelectric power stations | 1 |
| Technology | 11 |
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