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| 炸药之间的砂夹层 | |||
| 炸药之间砂夹层 | |||
| 砂炮泥填塞炮孔的一种砂质材料 | |||
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| 砂质炮泥; 炸药之间的夹砂层 | |||
| sand-stemming: 2 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 1 |
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