Chinese ⇄ English

煤矿许用炸药
expl.	coal mine permitted explosive
railw.	explosive permitted for coal mining
煤矿许用炸药允许在有可燃气和煤尘爆炸危险的矿井中使用的炸药。 permitted explosives
expl.	permissible explosives

煤 矿 许用炸药: 9 phrases in 1 subject

Explosives and Explosive Ordnance Disposal

9