名词中文翻译
中文翻译：多灰煤
同义词：
['dusty coal', 'black coal']
例句：
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1. The mine produces a variety of minerals, including drossy coal.
该矿生产多种矿物，包括多灰煤。
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2. The drossy coal is used for heating and cooking in many parts of the world.
多灰煤被用于世界上许多地区的供暖和烹饪。
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3. Due to its high energy content, drossy coal is often used as a fuel source.
由于其高能量含量，多灰煤常被用作燃料来源。