The liquefaction experiment results showed that the oil production rate and conversion rate of the vitrain would be higher than the fusain.
液化试验结果表明，镜煤的油收率和转化率都要高于丝炭。
The liquefaction experiment results showed that the oil production rate and conversion rate of the vitrain would be higher than the fusain.
液化试验结果表明，镜煤的油收率和转化率都要高于丝炭。
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