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| 爆破漏斗药包在岩石中爆破后，在自由面形成的凹坑 | |||
| 爆破漏斗 | |||
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blasting crater : 18 phrases in 3 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 10 |
| Technology | 7 |
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