澳大利亚煤炭工业决心保持全球煤炭出口重量级的地位，正在努力使长壁采煤产量有一个大的发展。在过去的10年里，澳大利亚长壁采煤作业范围一直在逐步扩展。迄今为止，该国大约有1／3的黑煤产量是由30个长壁工作面生产的。这些长壁采煤面的年产量从70．5～460万t不等。近期还有 Australia’s coal industry is determined to maintain its heavyweight status as a global coal exporter and efforts are underway to make a big development in longwall coal production. Over the past 10 years, Australia’s longwall coal mining operations have been gradually expanding. So far, about one-third of the country’s black coal production is produced by 30 longwall work surfaces. The annual output of these longwall coal mining surfaces ranges from 70.5 to 4.6 million t. Recently there