頂板煤 的英文怎麼說
中文拼音 [dǐngbǎnméi]
頂板煤
英文
roof coal-
Practices on bolt, mesh, anchor and beam support in coal drift under unstable roof condition of cataclastic rock mass
不穩定頂板煤巷錨網索梁支護實踐Control technology of composite roof in deep well coal bed
深井煤層復合頂板控制技術A talk about the roof management of wangvili coal faces
旺格維利採煤工作面頂板管理的探索For the tip - to - face roof stability, chock - fram type powered support only be applied to hard top - coal, shield - type powered support and chock - shield - type powered support can be applied to three top - coals
通過分析，為保證端面頂板穩定，支撐式液壓支架僅適用於頂煤為硬煤的條件下，掩護式和支撐掩護式支架在三種頂煤條件下均可以適用。Main factors and mechanics influencing water inrush from roof snadstone
影響徐州礦區煤層頂板砂巖涌水的主要因素及機理Bolt - mesh - beam support technology used in instable roof seam roadway
破碎不穩定頂板煤巷錨網梁支護技術Application of the braced girder and anchored cable in the 7518 open - off cutting timbering
錨梁網索支護技術在張集煤礦復合頂板中的應用Application of wire meshes beam and cable anchor in large fault roadway of composit roof
錨梁網索支護在復合頂板大斷面煤巷中的應用Head face roof control technology in very complex structure seam working face
極復雜構造煤層工作面端面頂板控制技術A roof - coal - discharging test mining by predetonation in super high seam
堅硬頂板特厚煤層預爆破放頂採煤試驗The test results show that the drawing interval of 1. 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal
試驗結果表明，放煤步距採用三采一放有利於控制頂板極鬆散細砂巖，降低放出頂煤的含砂率。Roof management of tunnelling in narrow and small pillar
在窄小煤柱中掘進巷道的頂板管理The prevention of roof water in no. 3 south mining area of zhedun coal mine lingi coal bureau
褚墩煤礦南三采區頂板水的防治Structural analysis for roof movement for steep coal seams
大傾角煤層采場頂板運動結構分析Geological factors affecting failues of coal mine roof
影響煤礦頂板事故的地質因素Research on second layer coal compound roof treatment
二層煤復合頂板的治理方法研究The roof of cavern is regarded as an elastic beam with support at the midpoint and the coal pillars are regarded as bearings so as to establishing a cavern roof - coal pillar system
摘要將頂板視為中點有支承的彈性固結梁，將煤柱視為支座，形成了頂板煤柱系統。Study on application of bolting with wire mesh in steep coal seam roadway with comprehensive roof and large tilt angle
錨索網支護在大傾角復合頂板煤巷的應用實踐與分析Research and application of hinged support technology in tunnel with soft rock and complex roof
軟巖復合頂板煤巷耦合支護技術的研究與應用Anchor belt net and cable support technique in coal drift of combined roof with coal
含煤復合頂板煤巷錨帶網索梁支護技術分享友人