安装，检查，更换或修理电线，插座，开关箱，管道，馈线，光纤和同轴电缆组件，照明灯具和其他电器元件。
Install, examine, replace or repair electrical wiring, receptacles, switch boxes, conduits, feeders, fibre-optic and coaxial cable assemblies, lighting fixtures and other electrical components.
适用于作广播电视接受馈线，闭路电视传输线以及公用电视天线系统分配同轴电缆。
The cable is used as receiving foedrer of television closed circuit transmission cable and community television singal distribution coaxial cable .
它利用微带线或者同轴线等馈线馈电，在导体贴片与接地板之间激励起辐射电磁场，并通过贴片四周与接地板之间的缝隙向外辐射。
Microstrip and coaxial-cable are used to feed to the antennas. Electromagnetic field can radiate to space through the patches and the aperture which connect to the ground plane.
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