sublevel roadway 中文意思是什麼
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Stability analysis and control principles of soft rock roadway bestrided over mining by isolated fully - mechanized mining face with sublevel caving
綜放跨采軟巖巷道穩定性分析與控制原則 -
Mining technique of combined arrangement of coal seam with entry and inclined roadway in common sublevel
煤層與共用區段平巷斜巷聯系布置開采技術應用 -
Development of support technology beside roadway in goaf - side entry retaining for next sublevel
沿空留巷巷旁支護技術的發展 -
Supporting techniques of preparation roadway for fully mechanized sublevel caving in the easily spontaneous combustion coal seam
易自燃煤層綜放開采采準巷道支護技術研究 -
Design of roadway bolting support for quot; isolated island quot; sublevel caving - in long wall workface based on the ground stress measurements
基於地應力測試的孤島綜放工作面巷道錨桿支護設計 -
Cable anchor support applied for the roadway retained for next sublevel
錨索支護在沿空留巷中的應用 -
Anchor reinforced support and parameter optimization for side wall of mine roadway retained for next sublevel
沿空留巷巷旁錨索加強支護與參數優化
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