促进局部血液循环，应选择静态干扰电的差频范围为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25673' and id < 2157659 and id<>'2157659' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25673' and id > 2157659 and id<>'2157659' order by id asc limit 5