More ammonium sulphate solution is being recovered in the process of distilling oil shale.
在提炼
的过程中回收的硫酸铵液比过
。
More ammonium sulphate solution is being recovered in the process of distilling oil shale.
在提炼的过程中回收的硫酸铵液比过。
Resinite is a rich n1aceral in Teriary humic coal,boghead-cannel coal and oil shale fromHuangxian Coalfield.
黄县煤田第三
腐殖煤、藻烛煤、显微组分富含树脂体。
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