齿
条
千
斤
顶
c
h
ǐ
t
i
á
o
q
i
ā
n
j
ī
n
d
ǐ
n
g
Definitions
1. rack and pinion jack
Components
齿条
chǐ tiáo
–
rack (and pinion)
千斤顶
qiān jīn dǐng
–
jack (for lifting weight)