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为避免食物变质，要彻底检查、清洁冰箱及工作场地。
Check fridges thoroughly to keep the place clean and to avoid spoilage.
youdao
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冰箱里的玻璃杯必须保持清洁，无污点并没有灰尘。
Refrigerator glasses should be clean, spotless and free from dust.
youdao
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冰箱里的玻璃杯必须保持清洁，无污点并没有灰尘。
Refrigerator glasses should be clean, spotless and free from dust.
youdao