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- U型鋼-錨網(wǎng)支護U- steel bolting with wire mesh
- 錨網(wǎng)噴U型鋼支護技術(shù)在巷修中的應用Application of U-shaped Net Anchor Supporting Technology While Repairing Tunnel
- 厚煤層綜放工作面切眼擴寬錨網(wǎng)支護快速施工技術(shù)與勞動(dòng)組織Bolting net support quick - construction technique by cutting widening in thick seam comprehensive caving working face and labourer organization
- 礦山巷道支護用熱軋U型鋼U-type hot rolled steel mine timbering dimension. Shape. Weight and permissible variations
- U型鋼U-shaped steel
- 高產(chǎn)高效綜放工作面錨網(wǎng)支護順槽圍巖變形與支承壓力分布規律研究Study on country rock deformation and support pressure distribution in the bolt-mesh supported gate of high-production and high-efficiency top-coal caving face
- U型鋼支架U-steel support
- 留小煤柱掘巷錨網(wǎng)支護的研究與應用Research and application of bolt-mesh supporting when developing next to narrow pillar
- U型鋼拱形支架U - shape steel arched support
- 冷彎薄壁U型鋼cold-formed thin-walled U-section steel
- 高應力區大跨度煤巷交岔點(diǎn)錨網(wǎng)支護研究The research on bolting with wire mesh of the big-span coal drift intersections in high-stress area
- U型鋼特種支架special support with U - steel
- U型鋼可縮性支架yieldable U-steel support
- 錨網(wǎng)索支護全煤巷實(shí)現綜掘機90°轉彎連續掘進(jìn)技術(shù)的研究The Study of Using Anchor Mesh and Anchor Rope to Support Roadwayto Realize Continuous Dig Technique by 90 Degrees Turn of Unite Digging Machine
- U型鋼三心拱支架的優(yōu)化設計The optimization design of U-steel metal yielding three-centered support
- 錨梁網(wǎng)支護技術(shù)在掘進(jìn)過(guò)斷層中的應用Supporting technology of shotcrete, bolting wire mesh and beam when passing through faults
- U型鋼可縮性支架的穩定性分析STABILITY ANALYSIS OF U-STEEL YIELDABLE SUPPORT
- 耿村煤礦1301開(kāi)切眼錨梁網(wǎng)支護技術(shù)研究Study on Roof Bolting with Bar and Wire Mesh in 1301 Open - off Cut of Gengcun Coal Mine
- 高水材料用于U型鋼支架壁后充填High water materials taken as the bachfilling in the U-type steel support
- 全封閉U型鋼在放頂煤風(fēng)巷中的應用Application of Fully-closed U-steel in Airway with Caving Mining
