When you are packing food for a picnic, place cold food in a cooler with plenty of ice or commercial freezing gels.
当您为野餐包装食品时，把冷的食物放在一个有大量的冰的冷却器或商业冻结凝胶中。
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Today, commercial aircraft remove ice that accumulates on wings in-flight by redirecting hot air from the jet engines to the leading edge of the wings to keep them warm.
今天，商用飞机主要靠把从喷气式引擎排出的热空气引导到机翼的边缘，使它们变暖，以此来达到除冰的目的。
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In addition to events on ice and water, the venue will also be suitable for hosting large-scale commercial events and performances, said Yang.