high volatile bituminous coal 高挥发性沥青煤
high volatile bituminous coal a 气煤
high volatile bituminous coal b 长焰煤
high rank bituminous coal 高级烟煤
high-volatile B bituminous coal 高挥份B级烟煤
high-volatile C bituminous coal 高挥份C级烟煤
A brown coal, a high-volatile bituminous coal and a low-volatile bituminous coal were pyrolysed at a slow heating rate in a thermogravimetric analyser.
在热天平上采用慢速升温制备了褐煤、高挥发分烟煤和低挥发分烟煤的半焦。
Especially suitable for coal tar content high, good adaptability, gas production big bituminous coal.
尤其适用于焦油含量高，煤种适应性强，产气量大的烟煤。
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