煤炭工业是支撑我国国民经济发展的重要基础工业，经过几十年的发展，已经有了雄厚的基础。据专家预测，在我国未来一次能源消费中煤炭仍将占到主导地位，即使到２０５０年，煤炭在我国一次能源消费结构中的比例也不会低于３５％，届时，煤炭消费量仍将达到２０多亿t。由此看出 The coal industry is an important basic industry that supports the development of our national economy. After decades of development, the coal industry already has a solid foundation. According to experts’ prediction, coal will still dominate in China’s future energy consumption. Even by 2050, the proportion of coal in China’s primary energy consumption structure will not fall below 35%. By then, the coal consumption will still reach the level of More than 20 billion t. This shows