名词
中文翻译：Unknown
同义词：
['hogbacked floorboard', 'hogbacked floor surface']
例句：
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1. The engineer hadto replace the old hogbacked floor with a new one.
工程师不得不用新的有背脊的地板替换旧的。
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2. The antique shop has an impressive collection of hogbacked floor surfaces.
这家古董店收藏了一组令人印象深刻的有背脊的地板表面。
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3.The construction workers were busy replacing the worn hogbacked floor in the warehouse.
建筑工人忙于更换仓库里磨损的有背脊的地板。