Are filters managed properly? Clean frequency, renew frequency?
过滤器管控是否恰当？清洁频率，更新频率是多少？
Is the filtration system adequate? What's the clean frequency and renew frequency?
过滤系统是否完善？清洁频率与更换频率是多少？
High frequency of restaurant use requires a higher gloss using high-quality coatings, it is easy to clean.
使用频率高的餐厅要求使用有较高光泽度的优质涂料，这样便于清洗。
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