fractional

/ˈfrækʃən(ə)l/ 33GRE
If something is fractional, it is very small in size or degree. 微不足道的

adjective [原级]部分的;[数] 分数的,小数的

In your fractional distillation condenser. 或在分馏冷凝器。

fractional

-tional ⌜ 表示具有某种特性或性质的 - indicating having the quality or characteristic of ~ ⌟
单词造句: