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接触网担负着把从牵引变电所获得的电能直接输送给电力机车使用的重要任务。因此接触网改造工程施工的质量和工作状态将直接影响着电气化铁道的运输能力。
Catenary is responsible for the transfer of electricity from the traction substation directly to the electric locomotive to use the important task. Therefore, the quality and working status of Catenary Reconstruction Project will directly affect the transportation capacity of electrified railway.