.户外配电装置中，常用的软母线有(   )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id < 4504047 and id<>'4504047' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id > 4504047 and id<>'4504047' order by id asc limit 5