Resinite is a rich n1aceral in Teriary humic coal,boghead-cannel coal and oil shale fromHuangxian Coalfield.
黄
第三纪腐殖、藻烛、
页岩显微组
富含树脂体。
页岩Resinite is a rich n1aceral in Teriary humic coal,boghead-cannel coal and oil shale fromHuangxian Coalfield.
黄第三纪腐殖、藻烛、页岩显微组富含树脂体。
More ammonium sulphate solution is being recovered in the process of distilling oil shale.
在提炼页岩的过程中回收的硫酸铵液比过去多了。
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