不同相带电部分之间的最小安全净距是（  ）值。 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69485' and id < 4500633 and id<>'4500633' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69485' and id > 4500633 and id<>'4500633' order by id asc limit 5