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.- The park lies on top of a coalfield.
公园位于一片煤田上。
- The park lies on top of a coalfield.
双语例句
- 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 - Based on the analysis of 42 coal samples from 9 coalfields in North China, the meth-ane adsorption characteristics and its influencing factors were studied.
研究华北地区煤储层吸附特征及主要影响因素,对9个重点矿区42件煤样进行了平衡水法等温吸附分析。 - 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 - 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。 - The clay rock samples from the Late-Paleozoic coalfields of Northern China are studied with ICP and INAA methods.
通过ICP和INAA方法对华北几个晚古生代煤田(煤矿区)的I/S间层粘土岩样品进行了稀土元素(REE)地球化学特征研究。 - Research on characteristics of overthrust geochemistry of coalfields
煤田推覆构造地球化学特征初探 - Seismic prospecting and forecast for coalfields in Shandong
山东煤田地震勘探及展望 - 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。 - 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。 - Fluorescence Analysis of Coals of Some Coalfields in China
我国若干煤田煤的荧光分析