The Shanghai Metro has achieved full access to free WiFi on all the metro lines.
The Shanghai Metro has achieved full access to free WiFi on all the metro lines.
A.正确
B.错误
正确答案:正确
Tag:风从东方来今日中国概况
时间:2021-12-29 13:11:40
- 上一篇:Beijing Capital International Airport uses wireless digital trunked communication system to ensure the efficient and smooth operation of the airport.
- 下一篇:According to the latest Development Action Plan for Smart Elderly Care Industry, by 2020, more than 100 smart elderly care demonstration bases will be built across the country.