当收发信机利用相-地通道传输高频信号时，如果加工的高压输电线对地短路，则(   )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69378' and id < 4491466 and id<>'4491466' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69378' and id > 4491466 and id<>'4491466' order by id asc limit 5