毫
米
汞
柱
h
á
o
h
á
o
m
í
m
ǐ
g
ǒ
n
g
g
ǒ
n
g
z
h
ù
z
h
ù
Definitions
1. millimeter of mercury
2. mmHg (unit of pressure)
Components
毫米
háo mǐ
–
millimeter
汞
gǒng
–
mercury (chemistry)
柱
zhù
–
pillar