Due to safety and fire protection requirements,cable tunnels need to be inspected regularly.Manual inspections have been used for a long time,which is not only inefficient but also prone to missed inspections,and the toxic gas in the tunnel poses a great threat to personnel safety.The use of tunnel inspection robots can perform round-the-clock seamless tunnel inspections,detect the content of combustible gases such as methane,carbon diox-ide,etc.,and obtain equipment operating information.
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