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| 试验巷道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、引爆瓦斯、煤尘的安全性试验 | |||
| test drift: 22 phrases in 7 subjects |
| Automobiles | 1 |
| Electronics | 1 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Metallurgy | 3 |
| Oil / petroleum | 3 |
| Technology | 8 |
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