The Underground Urban Pipeline Corridor is a tunnel space constructed beneath the city, integrating various engineering pipelines such as electricity, communication, gas, heating, water supply, and drainage into one. It features dedicated maintenance access points, hoisting ports, and monitoring systems, implementing unified planning, design, construction, and management. It is a crucial infrastructure and "lifeline" for the operation of the city.
An underground pipeline gallery refers to a public tunnel used beneath the city for the centralized laying of municipal pipelines such as electricity, communication, broadcasting and television, water supply, drainage, heating, and gas.