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| 当量炸药; 当量型炸药不带被筒但安全度同被筒炸药相当的煤矿许用炸药, 将被筒用的惰性盐适量地混人硝化甘油炸药中而制成的安全性等级与被筒炸药相当的煤矿许用炸药 | |||
| equivalent to sheathed explosive: 2 phrases in 1 subject |
| Explosives and Explosive Ordnance Disposal | 2 |
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