... coalition 结合 coal-measure facies 煤系岩相 coal-mine gas 煤矿瓦斯 ...
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The coal measure facies can be divided into five ones such as dry peat marsh, moist forest peat marsh, transitional margin marsh, living water peat marsh and open water facies.
根据煤系有机相研究分析，可以划化分为干燥泥炭沼泽相、潮湿森林泥炭沼泽相、过渡边缘沼泽相、活水泥炭沼泽相和开阔水体相五种有机相。
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