Underground gallery

Comprehensive pipe gallery, integrated corridor is the underground city pipeline, namely the construction of a tunnel in the city underground space, electricity, communications, gas, heating, drainage

Comprehensive pipe gallery, integrated corridor is the underground city pipeline, namely the construction of a tunnel in the city underground space, electricity, communications, gas, heating, drainage and other engineering pipeline in one set, a special manhole, lifting port and monitoring system, the implementation of unified planning, unified design, unified construction and management. Infrastructure is important to protect the city and run "lifeline".

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