The pre-cooling of fruits and vegetables is an important step in the cold-chain, and a proper pre-cooling time period can assure the quality of fruits and vegetables.

果蔬预冷是冷藏链中一个重要环节，适当的预冷时间能保证果蔬质量。

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The pre-cooling of fruits and vegetables is an important step in the cold-chain, and a proper pre-cooling time period can assure the quality of fruits and vegetables.

果蔬预冷是冷藏链中一个重要环节，适当的预冷时间能保证果蔬质量。

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