冷藏链是指食品从产地进行冷加工后冷藏运输至冷藏库贮存，然后通过冷藏销售柜由市场进入家用冰箱。
像所有的链条一样，冷藏链是其最脆弱的一环。
Like any chain, a cold chain is only as strong as its weakest link.
不幸的是同样的事情在冷藏链中发生，即时可靠率高达90%也不行。
Unfortunately, the same thing is not true for the cold chain; even 90 percent reliability is nowhere near enough.
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。
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.
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