evaporation and condensation的用法和樣例：
例句
- The juice is concentrated by evaporation under reduced pressure.
果汁是低壓蒸發(fā)濃縮而成的。 - The boiling machanism of vaporizing and condensing system is analysed in the large scale wet process of phosphoric acid.
分析了大型的濕法磷酸蒸發(fā)濃縮系統沸騰機理，介紹了聯(lián)動(dòng)試車(chē)時(shí)如何保護石墨換熱器。
