名词中文翻译
中文翻译：风化煤
同义词：
['weathered bituminous coal', 'weathered lignite']
例句：
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1. The mine has been producing this type of coal for decades.
这个矿已经生产这种煤几十年了。
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2. The coal is used to generate electricity in many parts of the world.
这种煤被用来发电，世界上很多地方都在使用。
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3. The weathered coal is a valuable resource for power generation.
这种风化的煤是发电的宝贵资源。