爬大桥、钻隧道 机器人巡检有妙招（探一线）

Group 1 - The article highlights the integration of advanced technologies, such as drones and robots, in highway construction and maintenance in China, enhancing safety and efficiency [1][2][4] - In Zhejiang, drones are utilized for highway inspections, completing nearly 70 kilometers of line inspection in two hours, improving efficiency by approximately 10 times compared to manual inspections [1] - In Jiangsu, intelligent climbing robots are employed on the Changtai Yangtze River Bridge, reducing inspection time from two months to one month, ensuring the structural integrity of critical components [2] Group 2 - In Hebei, a robotic inspection system in the North Longmen Tunnel can identify structural cracks and detect harmful gases, completing inspections in 24 minutes compared to two hours for human inspectors [4] - The new generation of inspection robots has been operational for over 200 days, covering more than 1,800 kilometers, and collecting extensive data to enhance safety measures in tunnels [4]