无烟煤(anthracite)：Vdaf＜10％ 贫煤：Vdaf=l0～20％ 烟煤(bituminous)：Vdaf＝20～45％ 褐煤(brown coal)：Vdaf＝40～50％， 甚至达 60％。
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bituminous coal [矿物] 烟煤 ; 沥青煤 ; 生煤
bituminous concrete [建] 沥青混凝土
bituminous coating [建] 沥青涂层 ; 沥青涂面 ; 沥青涂料
bituminous varnish [涂料] 沥青清漆 ; 沥青漆
bituminous shale [矿物] 沥青页岩 ; 沥青质页岩 ; 油母页岩
bituminous macadam 沥青碎石 ; 柏油路
bituminous rock [岩] 沥青岩
bituminous cement [胶粘] 沥青粘合剂 ; 沥青水泥 ; 沥青粘结剂 ; 沥青胶泥
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This article concludes the test result of the internal puddler about injecting the bituminous and anthracite mixed coal.
本文归纳了国内炼铁工作者关于高炉喷吹烟无混合煤的试验结果。
A bituminous material, such as asphalt, used to pave roads.
沥青，柏油一种含沥青物质，如沥青，用于铺路。
Less dense types, such as sub-bituminous and lignite coal, can contain up to 50% water.
低浓度的煤炭，如亚煤烟煤和褐煤等，其含水量最高可达50%。
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