أستراليا إنتاج الفحم البتيوميني, 1949. أستراليا إنتاج الفحم البتيوميني 266,286 (thousand short tons) في 2020 A dense coal, usually black, sometimes dark brown, often with well-defined bands of bright and dull material, used primarily as fuel in steam-electric power generation, with substantial quantities also used for heat and power ...Web