Update README_zh.md

ShiLiang Zhang

2024-05-08 d42c45c60a4144059d0ea930f971d7b43c79de53

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