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。
2
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。
3
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.