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azabache | |||
humus coal | |||
earth coal; lignitic material; ortholignitous coal; Carbonox | |||
lignite Coal of relatively recent origin consisting of accumulated layers of partially decomposed vegetation, intermediate between peat and bituminous coal; often contains patterns from the wood from which it formed (相对近期起源由不完全腐烂的植被形成的煤矿,位于泥炭矿和烟煤矿之间,通形含有树木的原型。) | |||
woodcoal | |||
brown coal; hydrogenous coal; lignite; lignitic coal; wood coal | |||
black earth; bovey coal; lignitous coal; peat deposit; browncoal | |||
| |||
lignite; brown coal | |||
| |||
lignite; Carbonox |
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