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| hand labor method; hand labour method | |||
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人工方法 : 14 phrases in 7 subjects |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Management | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 5 |
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