单相自动重合闸中的选相元件应满足选择性，具体要求是（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69379' and id < 4491593 and id<>'4491593' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69379' and id > 4491593 and id<>'4491593' order by id asc limit 5