名词中文翻译
中文翻译：煤炭复合体
同义词：
['coalfield', 'coal complex', 'coal field']
例句：
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1.The coal complex is a major source of energy for the region.
煤炭复合体是该地区的主要能源来源。
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2. The coal complex has been extensively mined over the years.
多年来，煤炭复合体已被广泛开采。
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3.The coal complex is being developed for new industrial uses.
煤炭复合体正在被开发用于新的工业用途。