Correct

弯管

/ wān guǎn / 
Strokes

Example

As a Noun

angle pipe; elbow pipe; bent tube

1
Wānguǎn
弯管
jiētóu
接头

corner joint; elbow union

2
Wānguǎn
弯管
jiǎodù
角度

angle of bend

3
Wānguǎnjī
弯管机

pipe bender