充养脑髓、滑利关节的主要是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25606' and id < 2154701 and id<>'2154701' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25606' and id > 2154701 and id<>'2154701' order by id asc limit 5