Non-excavatory underground pipeline laying technology is a construction thchnique by means of dirrectional drilling and monitoring to lay pipelines such as gasline,communication.

• 非开挖铺设地下管线技术是利用岩土钻掘、定向测控等技术手段，在地面不挖槽的情况下，对煤气、电信电缆等公用管线进行铺设的施工技术。