長壁 的英文怎麼說
中文拼音 [zhǎngbì]
長壁
英文
long well-
The support power of the trend longwall coal face
走向長壁高檔採煤工作面支護力Mining of no beforehand to dig the roadway of the dip long - wall megaton ' s double - unit faces
無預掘巷道傾斜長壁對拉百萬噸工作面的開采Analysis on strata pressure of fully mechanized longwall coal mining face in soft roof, soft coal and soft floor seam
三軟煤層綜采長壁工作面采場礦壓分析Alignment grows wall to put coal back work face to adopt regional security to mine of study
走向長壁放頂煤回採工作面仰采區域安全開採的探討The conventional methods for mining such seams including the longwall blasting and block caving suffer form the drawbacks of being low in recovery, high in labor intensity and low in efficiency. after shifting to the use of the fully - mechanized extraction system by the zhaogezhuang branch mining industry co. of kailuan ( group ) co., the mining of the pitching seams has met with remarkbable social and economic result
針對大傾角煤層長壁炮采、落垛等採煤方法，存在回採率較低、員工勞動強度大、高產高效受限及安全等諸多問題，開灤（集團）趙各莊礦業分公司在探討大傾角煤層採煤工藝的改革及實踐大傾角煤層綜合機械化採煤過程中，取得了較好的社會經濟效益。Analysis and technological measures for longwall topple mining process at the big inclined angle seam
大傾角煤層傾斜長壁仰斜開采工藝分析及技術措施Mining horizontal pillars with hydraulic roof propping in longwall caving method
在長壁式崩落法中用液壓支柱護頂回採水平礦柱Longwall shearing and heading machines ; shanks of cutting tools and their assembly openings
長壁剪切機和鐓鍛機.切刀柄和其安裝開口Study on roof control in shallow seam longwall mining
淺埋煤層長壁開采頂板控制研究In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face
摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵，應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態，得出了老頂初次來壓時頂板的臨界載荷和破斷步距，確定了頂板破斷后的極限下沉量和回轉角，並以神東礦區大柳塔1203工作面為例給出了工程實例。Discussion on the application of 3. 5 m single hydraulic prop mining all height at one times in slope long wall mining
單體液壓支柱一次采全高在傾斜長壁開采中的應用Working resistance and safety margin of long - wall support in shallow coal bed
淺埋煤層長壁開采支架阻力及安全界限Longwall and longhole blasting coal mining method for difficult mining seam
難採煤層巷道長壁長孔爆破採煤方法簡介The results indicate that the stability for bifurcation point equilibrium configuration and post - buckling equilibrium path of roof strata can be revealed and an effective method for determining displacement field of imperfection structure can be provided by using initial post - buckling theory
應用初始后屈曲理論可揭示淺埋煤層長壁開采頂板巖層的分叉點平衡構形及后屈曲平衡路徑的穩定性，是確定非完善結構位移場的一種有效方法。Application of longwall mining method in steeply inclined seam
在急傾斜煤層中巷道長壁採煤法應用Common fault analysis and shootings of longwall coal shearer
長壁式採煤機常見故障分析及其排除Ground pressure behavior of hard roof mining face
復合型堅硬頂板高檔普采長壁工作面開采實踐A major requirement of any longwall mine layout is that it provides the best possible financial performance, given the existing circumstances and limitations
所有長壁礦井布置的主要要求是在現有環境和限制下提供最佳的可能財務業績。Practice of gas control technique for fully mechanized longwall face along dip in high gassy region
高瓦斯區傾向長壁綜采面瓦斯防治技術與實踐Based on the in - situ observation of the firstly mined working face of nanliang coal mine, the roof movement, the roof weighting intensity, and entry deformation and failure of the working face were analyzed
摘要通過南梁煤礦首采工作面采前的實驗研究和開采時的現場觀測，分析了工作面頂板的移動、來壓強度以及巷道變形破壞情況，總結了厚黏土覆蓋層淺埋煤層單體長壁工作面的礦壓顯現規律。分享友人