Correct

联轴节

/ lián zhóu jiē / 
Strokes

Definition

(mechanics) coupling

Example

As a Noun

(shaft) coupling

1
Wànxiàng
万向
liánzhóu
联轴
jiē
节

universal coupling

2
Náoxìng
挠性
liánzhóu
联轴
jiē
节

flexible coupling

3
Gāngxìng
刚性
liánzhóu
联轴
jiē
节

rigid coupling