PDH数字传输系统2Mb / s数字通道误码性能降质限值（1天）（距离450km)为0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30263' and id < 2448221 and id<>'2448221' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30263' and id > 2448221 and id<>'2448221' order by id asc limit 5