螺
母
螺
栓
l
u
ó
m
ǔ
l
u
ó
s
h
u
ā
n
Definitions
1. nuts and bolts
Components
螺母
luó mǔ
–
nut (female component of nut and bolt)
螺栓
luó shuān
–
bolt (male component of nut and bolt)