英语词汇“coal seam group”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	coal seam group
释义	coal seam group 英?[k?ul si:m ɡru:p] 美?[kol sim ɡrup] 释义煤组实用场景例句全部 A coal seam or a coal seam group constituted independent depositional system peat swamp system. 这些煤层(煤层组)构成了独立的沉积体系——泥炭沼泽体系. 互联网行业词典煤炭煤组???集中发育于含煤岩系中某一(某些)层段，并在成因上有联系的一组煤层。???
随便看	laybacked laybacking laybackings lay back one's ears layback position laybacks layband lay band lay ban on lay baptism lay bar lay ... bare lay bare lay bare a plot lay bare sth lay barge laybarge lay beam lay-bed lay before lay behind lay board lay-board lay boat lay ... bones

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coal seam group