下列哪一种方法是诊断原发性下肢深静脉瓣膜病变最可靠的检查方法

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32545' and id < 2586100 and id<>'2586100' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32545' and id > 2586100 and id<>'2586100' order by id asc limit 5