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煤炭,在我国国民经济发展中居战略性地位。近五年,中国依靠以煤为主、煤在一次能源消费比重中所占七成以上的比例,实现了国
Coal, in our country’s national economic development in a strategic position. In the past five years, China relied on the coal-based ratio of coal in more than 70% of primary energy consumption,