fractionating plate

例句：

1. 1. The scientist used afractionation plate to separate the different isotopes of hydrogen.
   科学家使用分馏板来分离氢的不同同位素。
2. 2. Theprocess of fractionation is crucial in thepurification of chemicals.
   分馏过程在化学品的纯化中至关重要。
3. 3. The fractionationplate was designed to improve the efficiency ofthe separation process.
   分馏板的设计旨在提高分离过程的效率。