摘要：架空输电线路是电力网及电力系统的重要组成部分。
Abstract: the overhead transmission lines is power grids and an important part of the power system.
OnAir公司希望及时得到技术许可，以便于2007年第一季度为法航(air France)的一架空中巴士a 318安装空中通话系统。
Expects its technology to be approved in time for air France to launch in-air calling on an Airbus A318 in the first quarter of 2007.
电源线和电缆工人建造，维护和修复架空线和地下电力传输和配电系统。
Electrical power line and cable workers construct, maintain and repair overhead and underground electrical power transmission and distribution systems.
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