roadway support meaning in English

平巷支架
巷道支架

Roadway support at nearby seams in wangcun mine
王村矿近距煤层巷道支护分析
Preparation roadway support technique in extremely soft seam
极软煤准备巷道支护技术研究
Study on roadway support in quot; soft rock quot; shaft development
矿井开拓准备巷道支护研究
Definition of parameter in deep compound roof roadway support
深部复合顶板巷道支护参数的确定
Mine roadway support technology under complicated difficult conditions
复杂困难条件下的巷道支护

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