But coal blend ratio should be less than 5% for higher content of brown coal ash.
但由于褐煤的灰分较高，所以配煤比例不宜超过5%。
The result was showed that the combustion characteristic of the blended coal was different with the coal quality characteristic and the blend ratio changed in the blended coal.
研究发现随着在黄台电厂贫煤中掺入煤种的变化及各单煤掺配比例的不同，混煤的燃烧特性也不相同。
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