Relying on coal to generate about 80% of its electricity makes Australia one of the biggest greenhouse-gas emitters per head.

澳大利亚80%的电力是靠烧煤供应，这使得其成为人均温室气体排放量最大的国家之一。

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Investigation and study, Zhang Youxi listened to the tiger dragon head on mine, coal mine production of convergence, security management, etc. reports.

调研中，张有喜等听取了虎龙沟煤矿负责人就该矿生产衔接、安全管理等情况的汇报。

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Examined by practice, the method about the working condition parameter optimization for coal plough and the calculation about friction force on plow head are feasible.

经实践检验，本文的刨煤机工况参数优化方法和刨头摩擦力计算方法是切实可行的。

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"We don't see this as a renaissance of coal, " says Milton Catelin, head of the World Coal Association.

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Doug Ritchie, who led the acquisition of the Mozambique coal assets as head of Rio Tinto's energy division, has also resigned.

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Surber left the family behind in Saltville, Virginia, so he could head out to West Virginia's coal mines.

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