名词
中文翻译：Unknown
同义词：
['sheet change', 'sheetreplacement', 'sheet turnover']
例句：
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1. The hotel has a high sheetturnover rate, meaning they replace sheets frequently.
这家酒店的床单更换率很高，意味着他们经常更换床单。
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2. The nurses are responsible for monitoringthe sheet turnover in the hospital.
护士们负责监控医院的床单更换情况。
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3.To reduce costs, the company is lookinginto increasing the sheet turnover rate.
为了降低成本，公司正在考虑提高床单更换率。