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shaft sinking 【礦物】鑿井。

shaftesbury

Talking about application of suspending plate and hydraulic mode - plate car concentrating control device in shaft sinking construction 淺談立井鑿井施工吊盤及液壓模板穩車集控裝置應用

Method of coal and gas outburst prevention and control for mine shaft sinking pass through seam with potential outbust 井筒穿過突出煤層防止煤與瓦斯突出的方法

Outburst comprehensive prevention technology for mine shaft sinking through dangerous seam with potential outburst 井筒穿過突出危險煤層時綜合防突技術

Shaft sinking ; chain suspension gears for load hoisting in shafts ; safety requirements and testing 鑿井,礦井中起吊負載的鋼鏈懸掛齒輪,安全性要求和試

Shaft sinking ; rope suspension gears for load hoisting in shafts ; safety requirements and testing 鑿井,礦井中起吊負載的鋼索懸掛齒輪,安全性要求和試

Mine shaft sinking technology with ground freezing method for east ventilation shaft of qidong mine 祁東煤礦東風井凍結法鑿井施工技術

Shaft sinking winch 鑿井絞車

Pipes for use in freezing shaft sinking ; dimensions and technical delivery conditions 在冷卻井筒開鑿中用的管材.尺寸和交付技術狀態

High pressure rotary jet grouting applied to curtain construction of drop shaft sinking 高壓旋噴注漿法在沉井帷幕施工中的應用

Pregrouting technology at surface ground for ventilation shaft sinking in liuzhuang mine 劉莊煤礦回風井井筒地面預注漿技術

Standard for quality inspection and assessment of shaft sinking and drifting of coal mine 煤礦井巷工程質量檢驗評定標準

Grouting and water sealing technology for mine shaft sinking through water flooded goaf 井筒過積水老空區的注漿堵水技術

Shaft sinking ; pulleys for flat winding ropes ; safety requirements and testing 鑿井.扁鋼絲索的滑輪.安全性要求和試驗

Shaft sinking - riders for winding kibbles - safety requirements and testing 打豎井.提升吊桶導向架.安全性要求和試驗

Shaft sinking - abutment for guide ropes - safety requirements and testing 打豎井.導向鋼絲繩用支座.安全要求和試驗

Shaft sinking ; shaft plumbs 鑿井.豎井測量鉛錘

Issues on key technologies of freezing shaft sinking in huainan mining area 淮南礦區凍結法鑿井的幾個關鍵技術問題

Mine shaft sinking technology with ground freezing method for liangbaosi mine shaft 梁寶寺礦井凍結法鑿井施工技術

Mine freezing shaft sinking technology for deep mine in henan coal mines 發展中的河南煤礦深井凍結鑿井技術