某对称三相电源绕组为Y接，已知=38015V,当t=10s时，三个线电压之和为（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id < 2599351 and id<>'2599351' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id > 2599351 and id<>'2599351' order by id asc limit 5