Update README_zh.md

ShiLiang Zhang

2023-10-07 6351010c39316dcbabdc0ef75c1969a031c33524

1
2
3
4
5
6
7
8
9
x    1
xx    2
xxx    3
xl    4
l    5
lx    6
lxx    7
lxxx    8
xc    9