市政给水排水地下管道不开槽施工具有不影响交通、土方开挖量小等优点,不受季节性施工的影响,有很好的经济效益.%Trenchless construction in municipal water supply and drainage underground pipes does not affect the traffic, and its amount of earth excavation is small, etc., it is not affected by seasonal construction, and it has good economic value.
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