High-tech devices make holiday travel more comfortable

By Wang Danning and Chen Ziyan | chinadaily.com.cn | Updated: 2024-02-05 17:05
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4. Unmanned boat

Workers carry out preparation work in Chengdu, Southwest China's Sichuan province, on Jan 27, 2024. [Photo/Xinhua]

Unmanned boats have been used for bridge inspection along the Chengdu-Chongqing intercity railway. Workers can measure the cross-section of riverbed in upstream and downstream areas with a remote control, and collect accurate and comprehensive data, thus offering a scientific basis for bridge maintenance.

A worker operates an unmanned boat in Chengdu, Southwest China's Sichuan province, on Jan 27, 2024. [Photo/Xinhua]
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