巷道支架 meaning in English
excavation support
road lining
roadway support
roadwaysu ort
Examples
- Assembled reinforced - concrete supports for roadways in coal mines
装配式钢筋混凝土煤矿巷道支架 - Rules and support ways of roadway support and wall rock common loading
巷道支架与围岩共同承载的规律与支护方式 - Development of collapseproof install of i - steel shed in five driving roadway
王庄煤矿炮掘巷道支架防倒装置的研制