cold chain

基本解释

Trained health workers, proper cold chain function, and surveillance are all necessary to ensure vaccines reach every child who needs them.
训练有素的卫生工作者，适当的冷藏链功能和监督都是必要的，以确保每个需要它们的儿童获得疫苗。
blog.sina.com.cn
The system required to deliver a vaccine is called the “cold chain,” so named for the set of facilities that keep a vaccine cold as it is distributed from the manufacturer to the people who need it.
这个系统需要一种被称之为“冷藏链”的东西，之所以如此命名是因为在把它从生产厂家分发到需求者的手中这个过程中需要一系列的冷藏疫苗的设备。
The liquid vaccines they require are often temperamental, needing constant refrigeration and thus what is known as a “cold chain” to keep them in tip-top condition as they move from factory to clinic.
液状疫苗通常非常娇气，需要持续冷藏保存，于是在从工厂到诊所的过程中，疫苗都被保存在低温运输系统中享受一流的待遇。

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冷链
Therefore the Cold Chain Logistics have the special request to the process of transportation, the time control and the shape of transportation.
因此冷链物流对运送过程、时间掌控、运输形态有着特别的要求。
交通运输工程
冷藏链