The relationship between microlithotype and the distribution of cleat in coal bed is discussed through a case from Hedong coalfield, combining microstratigraphy and statistics methods.
摘要综合利用显微地层学和统计学方法,以北部8#层为例,研究了层显微岩类型与层裂隙分布的关系。
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Thus were formed those immense coalfields, which nevertheless, are not inexhaustible, and which three centuries at the present accelerated rate of consumption will exhaust unless the industrial world will devise a remedy.
这样就形成了那些巨大的煤,,这些煤并是取之尽用之竭的,且按照目前加速的消费速度, 三个世纪之后, 除非工业世界能够想出补救办法, 否则这些煤将会耗尽。