Update websocket_protocol_zh.md

Yabin Li

2024-01-17 dcc310e1a8ff75df5b8d091a9e26883b85b8afec

1
2
3
4
5
6
7
8
9
10
M    million
MLN    million
m    million
mln    million
B    billion
b    billion
BN    billion
bn    billion
K    thousand
k    thousand