Correct

馏分

/ liúfèn / 
Strokes

Definition

fraction (of a distillate)/key (one component part of a distillate)

Example

As a Noun

fraction; cut (fraction)

1
Shíyóu
石油
shì
是
yóu
由
jī
几
zhǒng
种
liúfèn
馏分
zǔchéng
组成
de
的
hùnhéwù
混合物
  
。

Petroleum is a combination of several fractions.

2
Qīng
轻
  
/
chóng
重
liúfèn
馏分

light/heavy fraction