What Happened: He used heat to concentrate wine in order to make it easier to transport, with the idea of adding water to reconstitute it when he arrived.
经过：他用加热的方法提纯葡萄酒以便运输，打算到达目的地后再兑水还原。
Vehicles used to transport perishable food products should be well insulated to retard the flow of heat through their walls.
用于运送易腐食品的车辆一般都要有很好的隔热效果，从而减缓通过车身进行热传导。
Volume of air required in Drying-More air is required to conduct heat to the food to evaporate the water present than is needed to transport the vapor from the chamber.
干燥中所需空气的体积——将热传给食品使所含水分汽化所需要的空气量要多于将蒸汽运走离开干燥室所需要的空气量。
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