【摘要】 水平定向钻由于具有高精确,高效率,环保,安全等特点,已经越来越受到人们的重视。文章从水平定向钻的设备结构和施工工艺两方面系统地介绍了如何应用水平定向钻铺设燃气管道。更多还原

【Abstract】 Horizontal directional drilling, with its accurate boring, high efficiency, comparative safety in construction and less damage to the environment, has attract more and more people’s attention. In this paper, theapplication of horizontal directional drilling in gas pipeline construction is introduced in term of equipmentstructure and construction techniques.更多还原