DictionaryForumContacts

   Chinese
Google | Forvo | +
to phrases
井巷工程 jǐnghàng gōngchéng
expl. shaft and drift engineering
tech. sinking and driving engineering
井巷工程为进行采矿,在地下开凿各种通道和硐室的工程 jǐnghàng gōngchéng
expl. shaft sinking and drifting
井 巷工程: 2 phrases in 1 subject
Explosives and Explosive Ordnance Disposal2