葡萄胎随访的主要目的是（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25972' and id < 2179034 and id<>'2179034' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25972' and id > 2179034 and id<>'2179034' order by id asc limit 5