| 2. | Organize the professional squad to deal with the barriers , led by technicians , use the specialized tools , such as road cutting machine , pneumatic pick , to deal with the obstacles spots , embed pipe , wearing plastic - pipe , and plugging end , backfill and compact it
组织处理障碍点的专业小分队，由技术人员带领，使用专用工具，例如路面切割机，风镐等，处理线路上的障碍点，预埋钢管，穿放塑料子管，封堵端头，回填并夯实。 |
