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岩石炸药
tech. rock explosive
岩石炸药用于地面及无可燃气〈煤尘〉爆炸危险的煤矿井下爆破岩石的混合炸药
expl. rock blasting explosive; rock explosive
岩石炸药
: 16 phrases in 3 subjects
Explosives and Explosive Ordnance Disposal13
General1
Technology2

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