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

• Seismic prospecting and forecast for coalfields in Shandong
  山东煤田地震勘探及展望
• Discussion on Continuable Development of Jurassic Coalfields In Northern Shaanxi
  论陕北侏罗纪煤田开发的可持续发展问题
• Study on Dissolution Test of Ordovician Carbonate Rock in North-China Typical Coalfields Causes of Karstic Collapse in Lead-zinc Mining Area and its Countermeasures
  华北典型煤矿区奥陶系碳酸盐岩溶蚀试验研究
• A survey of Upper Jurassic and lower Cretaceous strata in Shuangyashan and Jixian coalfields, Eastern Heilongjiang
  黑龙江东部双鸭山、集贤煤田中生代含煤地层研究
• Gallium Distribution in Coal of late Permian Coalfields, Southwest China, and Its Geochemical Characteristics in Oxidation Zones of Coal Beds
  西南晚二叠世煤田煤中镓的分布和煤层氧化带内镓的地球化学特征
• Problems and Countermeasures in Reforming of Jiangxi Coalfields Geological Preliminary Survey
  江西煤田地质找矿改革面临的问题及对策
• It is one of the main research object in the exploration and exploitation of coalfields.
  它有时对煤层及顶、底板破坏较大，是井田勘探与开采的主要研究对象之一。
• 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
• 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。
• Fluorescence Analysis of Coals of Some Coalfields in China
  我国若干煤田煤的荧光分析