三相三线连接电路，只要负载不对称，就会发生中性点偏移现象。（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32633' and id < 2594948 and id<>'2594948' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32633' and id > 2594948 and id<>'2594948' order by id asc limit 5