Mahanadi Coalfields 马哈纳迪煤田公司
geological tectonic coalfields 煤田地质构造
Fujian coalfields 福建煤田
eastern coalfields 东部煤田公司
western coalfields 西部煤田公司
coalfields and mines 煤田煤矿区
late permian coalfields 晚二叠世煤田
Eastern Coalfields Limited 东部煤田有限公司
N-COUNT A coalfield is a region where there is coal under the ground. 煤田
The park lies on top of a coalfield.
这个公园位在一个煤田上。
Karstic collapse posts existing in North China type coalfields is a special kind of karstic collapse.
华北型煤田中发育的岩溶陷落柱是一种特殊类型的岩溶塌陷。
By the numeral logging technique, the major coalfields in Jinyu County have been prospected and surveyed.
利用数字测井技术对靖宇县的主要煤田进行了大量的地质勘探测量。
The Datong, Ningwu, Xishan, Hedong, Qinshui, and Huoxi coalfields are some of the most important in Shanxi.
大同，宁武，西山，河东，沁水，和霍西是山西最重要的煤田。
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