免费av毛片,日韩av高清在线播放,97国产精品最好的产品,欧美成人免费一区二区三区,神马午夜一区,曰河南少妇对白视频,欧美自拍视频

Intelligent technology used for maintenance of high-speed trains during Spring Festival travel rush

Xinhua | Updated: 2025-01-22 11:27
Share
Share - WeChat
A maintenance staff inspects a high-speed sleeper train remotely with an intelligent car bottom robot at a high-speed train depot in Shenzhen, South China's Guangdong province, Jan 17, 2025. Intelligent car-bottom robots, self-service car washes, intelligent tool rooms, etc, are used for the maintenance of high-speed sleeper trains in Shenzhen high-speed train depot during the Spring Festival travel rush. [Photo/Xinhua]
1 2 3 4 5 6 7 8 Next   >>|
Top
BACK TO THE TOP
English
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US