More ammonium sulphate solution is being recovered in the process of distilling oil shale.
在提炼油页岩的程中回收的硫酸铵液。
Resinite is a rich n1aceral in Teriary humic coal,boghead-cannel coal and oil shale fromHuangxian Coalfield.
煤田第三纪腐殖煤、藻烛煤、油页岩显微组分富含树脂体。
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At the same time, the U.S., having edged closer to energy independence with natural gas and oil shale, no longer needed Riyadh the way it once did, and was noticeably less attentive.
与此同时,随着天然气和油页岩的开采,美逐渐近能,不再像过去那样需要利雅得了,对沙特也明显不那么在意了。
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