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| 冰冻深度 | |||
| 冻结深度; 冻深 | |||
| frost depth: 18 phrases in 7 subjects |
| Agriculture | 1 |
| Bridge construction | 4 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 3 |
| Soil science | 1 |
| Technology | 6 |
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