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| 被筒炸药以煤矿许用炸药为药芯，外面包有由消焰剂做成的被筒而制成的安全度等级较高的煤矿许用炸药 | |||
| 铠装炸药 | |||
| sheathed explosive: 10 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 7 |
| Technology | 3 |
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