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["日每12.18-22.23(判断題)",,"窒素の沸点は酸素の沸点より低いため、主冷却蒸発器では窒素を使用して酸素を冷却します。( ))"]

2018-09-23View Original

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氮气沸点比氧气沸点低,所以主冷蒸发器中用氮气来冷却氧气。( ) ×

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