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| 除表土 | |||
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| 矿山表土层剥离 | |||
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soil stripping : 11 phrases in 6 subjects |
| Agriculture | 2 |
| Bridge construction | 1 |
| Desert science | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 2 |
| Technology | 4 |
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