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| 装药密度; 装药密实程度; 填实程度 | |||
| 填实度 | |||
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packing degree : 10 phrases in 4 subjects |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Metallurgy | 3 |
| Technology | 3 |
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