... 沼煤 土状褐煤 bogcoal 淡水煤,沼煤 limnetic coal 沼煤 叶煤 易碎褐煤沼煤 moorcoal ...
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·2,447,543篇论文数据,部分数据来源于NoteExpress
The conclusion is that the sedimentary environment of coal measures in Changyang area, Shuangyang basin is mainly fan delta and limnetic deposits.
得出的结论是:双阳盆地长岭区煤系地层沉积环境主要为扇三角洲沉积和湖泊沼泽沉积。
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