巷道煤柱 的英文怎麼說
中文拼音 [xiàngdàoméizhù]
巷道煤柱
英文
heading chain pillar-
The study and apply of the coal pillar width parameter in along stull tunnel
沿空巷道煤柱寬度參數的研究與應用Determination for coal pillar size in comprehensive mining roadway
綜采巷道煤柱尺寸的確定Roof management of tunnelling in narrow and small pillar
在窄小煤柱中掘進巷道的頂板管理Technology of mining without pillar for level entry in much thicker inclined coal seam
淺談特厚易燃煤層水平布置巷道無煤柱開采技術No safety pillars shall be mined without authorization and no dangerous methods, such as water bursting, blasting and breaking through roadways, which may threaten the production safety of adjacent coal mines shall be adopted
采礦作業不得擅自開采保安煤柱，不得採用可能危及相鄰煤礦生產安全的決水、爆破、貫通巷道等危險方法。The practice of bolt support technology by remaining narrow and small coal column for extraction roadway in longgu coal mine
龍固煤礦留窄小煤柱回採巷道錨桿支護技術的實踐Application of grouting cable anchor in small coal pillar roadways
注漿錨索在小煤柱巷道群加固工程中的應用Heading chain pillar
巷道煤柱The mining deformation of roadways and failure evolvement of small coal pillar under different widths of chain pillars
大小護巷煤柱巷道采動變形與小煤柱破壞演化規律Study on roadway room deformation forecast in deep shaft isolated island pillar working face crossing mining
深井孤島煤柱下工作面跨采巷道峒室變形預測Repair of roadway without pillar mining
無煤柱開采其巷道的維護Analysis of the method for constructing the cross - measures roadways of the pillar extraction face
煤柱采面過穿層巷道施工方法研究Stress analysis and optimization of parameters of coal pillar in the stoping tunnel of comprehensive mechanized coal mining face
綜采工作面回採巷道煤柱應力分析與參數優化Confirmation of reasonable pillar ' s size in actual mining roadways
回採巷道合理煤柱尺寸的確定Stress analysis and parameter optimization of coal pillar in gateway of fully mechanized caving face
綜放工作面回採巷道煤柱應力分析與參數優化分享友人