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长壁开采的英文

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"长壁开采"怎么读用"长壁开采"造句

英文翻译手机手机版

  • all over work
  • broadwall
  • longwall mining
  • longwalling

例句与用法

  • Study on roof control in shallow seam longwall mining
    浅埋煤层长壁开采顶板控制研究
  • Working resistance and safety margin of long - wall support in shallow coal bed
    浅埋煤层长壁开采支架阻力及安全界限
  • Discussion on the application of 3 . 5 m single hydraulic prop mining all height at one times in slope long wall mining
    单体液压支柱一次采全高在倾斜长壁开采中的应用
  • 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
    应用初始后屈曲理论可揭示浅埋煤层长壁开采顶板岩层的分叉点平衡构形及后屈曲平衡路径的稳定性,是确定非完善结构位移场的一种有效方法。
  • 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
    摘要根据浅埋煤层顶板岩层的赋存特点和长壁开采时关键层的变形破断特征,应用初始后屈曲理论探讨了开采过程中顶板关键层的后屈曲性态,得出了老顶初次来压时顶板的临界载荷和破断步距,确定了顶板破断后的极限下沉量和回转角,并以神东矿区大柳塔1203工作面为例给出了工程实例。
用"长壁开采"造句  
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