配电装置的长度(   )米时，需要设置3个出口。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69524' and id < 4504280 and id<>'4504280' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69524' and id > 4504280 and id<>'4504280' order by id asc limit 5