名词
中文翻译：煤炭节约器
同义词：
['coal preheater', 'coal burner']
例句：
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1.The coal economizer is designed to improve the efficiency of the coal-fired power plant.
煤炭节约器旨在提高燃煤电厂的效率。
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2.The coal economizer helps to reduce emissions and minimize waste.
煤炭节约器有助于减少排放和最小化浪费。
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3.The coal economizer is crucial for maintaining the stability of the power system.
煤炭节约器对于维持电力系统的稳定性至关重要。