肢体冷痛，关节屈伸不利，时而或冷厥不仁，其主要 机理为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25609' and id < 2154889 and id<>'2154889' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25609' and id > 2154889 and id<>'2154889' order by id asc limit 5