双语例句权威例句
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The key of keeping fresh lettuce under cold chain is pre-cooling.
结球生菜冷链流通保鲜的关键是预冷。
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The vapor condenser is a very important device in vacuum pre-cooling equipment.
真空预冷装置中，捕水器是一个十分关键的部件。
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Grasping the temperature distribution of cargo tank during the pre-cooling is the basis of making a safe and economic pre-cooling plan.
掌握液舱温度在预冷过程中的变化规律是制定安全经济的预冷方案的基础。
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