下图所示三相电路中，S断开时电流表读数为10A,若S闭合，电流表读数为（）。 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32633' and id < 2594919 and id<>'2594919' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32633' and id > 2594919 and id<>'2594919' order by id asc limit 5