螺
旋
千
斤
顶
l
u
ó
x
u
á
n
q
i
ā
n
j
ī
n
d
ǐ
n
g
Definitions
1. screw jack
Components
螺旋
luó xuán
–
spiral
千斤顶
qiān jīn dǐng
–
jack (for lifting weight)