英语词汇“form of coal seam, occurrence of coal seam”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	form of coal seam, occurrence of coal seam
释义	form of coal seam, occurrence of coal seam 煤层形态; 煤层在空间的展布特征。根据煤层在剖面上的连续程度，可分层状、似层状、不规则状、马尾状等煤层形态。
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