vapour-phase purification

例句：

1. 1. Inthe vapour-phase purification process, impurities are removed from the gas by condensing them into liquid droplets.
   在汽相净化过程中，通过冷凝将气体中的杂质转化为液滴进行去除。
2. 2. The vapour-phase purification method is widely used in the food industry for removing unwanted substancesfrom food products.
   汽相净化方法在食品工业中被广泛应用，用于从食品产品中去除不希望的杂质。
3. 3. During the vapour-phase purification stage, the mixture is cooled and then passed through a series of filters to remove any remaining impurities.
   在汽相净化阶段，混合物被冷却并通过一系列过滤器以去除任何剩余的杂质。