名词
中文翻译：煤渣地板
同义词：
['clinker floor', 'coal slag floor']
例句：
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1.The old building had a cinder floor that was difficult to clean.
这座旧建筑有一个难以清洁的煤渣地板。
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2.The engineer used a special tool to remove the cinder from the floor.
工程师使用一种特殊的工具来清除地板上的煤渣。
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3.The cinder floor was a hazardous area for workers who were exposed to it.
工人在接触到这种煤渣地板时，存在一个危险区域。