Correct

引流

/ yǐnliú / 
Strokes

Definition

to drain/(medicine) drainage

Example

As a Noun

drainage

1
Jìngmài
静脉
yǐnliú
引流

venous drainage

2
Guānbì
关闭
  
/
kāifàng
开放
yǐnliú
引流
fǎ
法

closed/open drainage