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压步的英文

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"压步"怎么读用"压步"造句

英文翻译手机手机版

  • cross over

例句与用法

  • Influence of roof bedding characteristic to first weighting interval
    老顶分层厚度对工作面初次来压步距的影响
  • Cross over turn
    压步转弯
  • Back cross over
    倒滑压步
  • Combinatorial key stratum is the development of key stratum in shallow coal seam , it has the all properties of key stratum and itself ’ s property
    摘要在分析组合关键层有关参数的基础上,推导出了组合关键层初次来压步距和周期来压步距的计算公式。
  • The strata behavior rule of longwall face with individual props in shallowly buried coal seam covered with thick soil was summarized
    实验和观测表明,尽管其上覆岩层的力学强度比较小,煤层埋深浅,但工作面初次来压步距大,矿山压力显现剧烈,周期来压台阶下沉量大。
  • It was found that comparing with the case without dirt band the periodic weighting distance , median roof moving coefficient and support resistance all increased to different extent because of the influence of dirt band
    发现由于夹矸的影响,与不含夹矸层工作面相比,其周期来压步距、平均动压系数和支护阻力都有不同程度的增大。
  • Because the loader and the moduls of elasticity exists part difference in key stratum and combinatorial key stratum , and the formulae of calculating the roof weighting step has difference , so there must be existing big error if we use the formulae of key stratum to calculate the shallow coal seam ' s weighting parameter
    大柳塔1203工作面按照关键层计算得出的顶板来压步距与实际相差很大,而按照组合关键层计算得出的顶板来压步距与实际基本吻合。
  • ( 2 ) for the cyclic pressing technics , the thickness of densified layer of ring was studied , and the rules which the technics must follow had been investigated , and the influence of parameter on densification results had also been investigated . according to the theory of rolling , the conclusion of thickness of densification layer had been drawn for the dual - direction cyclic pressing . the term that decreased height of one stage and distance of one step advancing had been researched
    ( 2 )对楔压压透深度规律进行了初步探索,同时对楔压过程参数(单道次压下量和楔压步进量)所要遵循的规律以及楔压工艺参数(压制方式、压下量和压制温度)对坯件性能的影响进行了研究。
用"压步"造句  
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