瓦斯保护能单独作为变压器的主保护。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69380' and id < 4491696 and id<>'4491696' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69380' and id > 4491696 and id<>'4491696' order by id asc limit 5