本文根据测试数据对绥中北牵引变电所谐波电压问题进行分析。
Based on the test data of Suizhongbei electric traction substation, this paper analyzes the harmonic voltage problem.
同时，沈阳铁路局除沈阳站、沈阳北站外，吉林、长春、四平、铁岭、辽中、台安、盘锦、盘锦北、锦州、锦州南、葫芦岛、葫芦岛北、绥中北、山海关14个车站也开通了互联网售票业务。
Besides Shenyang City Railway Station and Shenyang North Railway Station, 14 stations such as Jilin, Changchun, Siping, Tieling, Liaozhong, Tai'an and Panjin also started online ticket sales.
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