Clouds are formations of condensed water vapour.云是由凝聚的水蒸气构成的.Vapour phase chromatography has rapidly become one of the most successful analytical techniques.气相色谱法已经迅速成为最成功的分析方法之一.All condensers work by removing heat from...
A cloud is a mass of vapour in the sky.云是天空中的水汽团块.A cloud is a condensation of water vapour in the atmosphere.云是由大气中的水蒸气凝结成的.Clouds are formations of condensed water vapour.云是由凝聚的水蒸气构成的....