roadway construction meaning in Chinese
巷道掘进
Examples
- Shaft bucket applied to mine roadway construction
利用吊桶提升施工平巷工程 - Super giant fault room drifting roadway construction technique
特大断面硐室掘进成巷施工技术 - Application of cut blasting in roadway construction in unstable rock
切槽孔爆破技术在不稳岩石巷道施工中的应用