名词
中文翻译：双层床折叠机同义词
同义词：
['double bed folding machine']
例句：
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1. This sheet-doubling machine is very useful for small families.
这款双层床折叠机对于小家庭来说非常实用。
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2. The sheet-doubling machine can quickly double the size of a bed.
这款双层床折叠机可以迅速将床的尺寸翻倍。
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3. The sheet-doubling machine is easy to operate and saves a lot of space.
这款双层床折叠机操作简单，节省了很多空间。