干无灰基煤
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dry ash-free coal
干无灰煤
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It is also found that there is an approximate linear correlation between the yields of gas and tar of coal and the volatile matter of coal on dry, ash-free basis.
煤的干馏气和焦油产率与煤中可燃基挥发分之间有近似的线性关系。
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