管线的信号和电源为分开，虽然是弱电，但是严格要求是必须强、弱电线管分开敷设。
Pipeline signal and power supply for the separation, although it is weak, but strict requirements must be strong.
地上、地下工程管线规划布局、设计与敷设要严格执行有关安全生产的法律、法规和标准。
The layout, design and installation of pipelines on the ground and underground projects shall strictly enforce the laws, regulations and standards concerning safety in production.
采用非开挖施工技术敷设各种地下管线，可大大降低交通、噪音、粉尘对城区环境的影响。
To lay various kinds of underground pipes by non-excavation construction technology can greatly reduce the influence of traffic, noise and dust on the environment in the urban districts.
应用推荐