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巷道试验利用模拟矿井条件的试验巷道，测定炸药或火工品爆炸时能否引燃、引爆可燃气、煤尘的安全性试验
expl. gallery test; drift gallery test; drift test
巷道 试验: 3 phrases in 1 subject
Explosives and Explosive Ordnance Disposal3

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