专用通信线路 meaning in Chinese
dedicated communication line
Examples
- However , the exorbitant cost of laying special lines and maintenance , great workload and difficulty in construction prevent it from popularization . the other scheme is based on the electrical power line , which makes use of the power line as transmission media
专线通信技术作为常规方法，其特点是通信稳定性好；但是需铺设专用通信线路，存在施工量大、综合成本高、维护费用高、旧城区施工难度大等问题，难以大规模应用。