We know that every kind of there are when the outside pressure is greater than the saturation vapor pressure of the substance, the substance of the steam began into liquid droplets.
英
美
释义
我们知道,每一种物质都存在饱和蒸汽压,当外界压强大于该物质的饱和蒸汽压时,这种物质的蒸汽就开始凝结成液滴。
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