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| 手提式风钻; 手持风钻; 手持式凿岩钻; 手持式凿岩机 | |||
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| 手持式凿岩机 | |||
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hand-held drill : 12 phrases in 5 subjects |
| Automobiles | 1 |
| Electronics | 2 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 7 |
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