coal road meaning in English
煤巷
Examples
- Probing into gas control techniques in coal road drivage
煤巷掘进瓦斯治理技术探讨 - Application of bolt - mesh - spurting supporting technique in soft all - coal road
松软全煤巷道锚网喷支护技术应用 - Application of anchorage cable reinforced support in synclinal shaft of coal road
锚索支护在平煤一矿进风石门修复中的应用 - Development of the hanger of the monorail hoist runway on the ground coal road with the total bolt support
全锚支护的底煤巷单轨吊车道吊具的研制