coalfields

英 [ˈkəʊlfiːldz]

美

n.  煤田
coalfield的复数

柯林斯词典

• N-COUNT 煤田
  Acoalfieldis a region where there is coal under the ground.
  1. The park lies on top of a coalfield.
     公园位于一片煤田上。

双语例句

• In this paper, the authors discuss the genetic relationship between the episodic transgressions of sea water and the formation and distribution of coal-rich units, and the coal accumulation in the western Shandong coalfields with the aid of the theory and method of sequence stratigraphy.
  本文讨论了事件性海侵与富煤单元形成及分布的成因联系，应用层序地层学理论和方法，分析了鲁西煤田煤聚积规律。
• Based on study of the contact relations between strata and features of fault basin of coalfields in western Henan province, the paper describes the fault tilting movement in Cenozoic age and its basic characteristics.
  本文通过对河南省西部煤田范围内地层接触关系和断陷盆地的研究，确定了区内新生代断块掀斜运动及其基本特征。
• Continuous miners are widely used in modern mines because of the development of shortwall coal mining method and the reserves decrease of regular coalfields.
  短壁开采技术的发展和地下规则煤田数量的减少，使连续采煤机广泛地应用在现代化的矿井生产中。
• Beneath Permo carboniferous coal strata in North China coalfields, there are Ordovician limestones containing plentiful confined water.
  华北煤田石炭二叠纪煤系地层底部存在着含水丰富的奥陶纪石灰岩。
• The practical and efficient deformation indicators in study of tectonic stress field in coalfields are: coal vitrinite reflectance and its anisotropy, conjugated shear joints, filled-in veins an small folds.
  煤镜质组反射率及其各向异性、共轭剪节理、充填脉和小褶曲等构造形迹，是煤田构造应力场研究中实用和有效的形变标志物。
• The paper elaborates completely the development characteristics of karst collapse columns in coalfields in West Shandong Province, probs profoundly into Their origin and puts forward some new viewpoints in the conditions and mechanism of formation of karst collapse columns.
  对鲁西煤田岩溶陷落柱的发育特征作了全面的总结，对陷落柱的成因进行了比较深入的探讨，在形成条件和机理方面提出了一些新的看法。
• Fluorescence Analysis of Coals of Some Coalfields in China
  我国若干煤田煤的荧光分析
• Research on characteristics of overthrust geochemistry of coalfields
  煤田推覆构造地球化学特征初探
• The deposit is contained in the predominantly calc-silicate upper part of the corella formation. Study on Dissolution Test of Ordovician Carbonate Rock in North-China Typical Coalfields
  矿床位于科雷拉岩系上部主要为钙质-硅酸盐类的岩层中。华北典型煤矿区奥陶系碳酸盐岩溶蚀试验研究
• Features of magmatite and influence on coal in main coalfields in southwestern Shandong
  鲁西南主要煤田岩浆岩特征及对煤的影响