For construction practice, the paper analysed some problem in waterproof, drainage design and construction of freeway communication conduit, proposed some methods for solving the problem.
从工程施工实践的角度，剖析了高速公路通讯管道防排水工程设计与施工中出现的一些问题，并提出了解决的办法。
Along with the rapid development of the world information freeway, the digital imaging and communication in medical field has become possible.
随着世界信息高速公路的飞速发展，医学领域的数字成像和通信也成为可能。
The paper introduces the setting up methods for thunder preventer for power source of communication system on freeway.
介绍高速公路通信系统电源防雷器设置方法，及通信系统电源防雷器件在选择和安装中的注意事项。
The paper introduces the setting up methods for thunder preventer for power source of communication system on freeway.
介绍高速公路通信系统电源防雷器设置方法，及通信系统电源防雷器件在选择和安装中的注意事项。
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