名词
中文翻译：煤炭生产
同义词：
['coal mining', "coal extraction例句：1. The company's main product is coal production.（该公司的主要产品是煤炭生产。）"]
例句：
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1. The company's main product is coal production.
该公司的主要产品是煤炭生产。
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2.The coal mine has been closed due to safety concerns.
由于安全担忧，煤矿已经关闭。
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3.The coal industry contributes significantly to the country's economy.
煤炭行业对国家经济贡献巨大。