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煤化工
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煤化工
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基本有机化工
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煤化工
以煤为原料,采用化学转化法,使煤转化为气体、液体或固体,并进一步加工成各种化学品、燃料和其他产品的流程制造业。是基本有机化工的重要组成部分,也是最重要的煤炭清洁利用途径。
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early stage star
early stellar evolution
early stopping method
early strength
early sun
early transition metal
early transition state
early translated mechanics literature
early-type cluster
early-type emission-line star
early-type emission star
early-type galaxy
early-type spiral galaxy
early-type star
early-type supergiant
early-type variable
early universe
early valve actuation
early vascular plants
early warning
early warning action
early warning all clear
early-warning analysis
early warning and prediction of social unrest
early warning and surveillance
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