会阴切开术切口的长度一般为（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25562' and id < 2150757 and id<>'2150757' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25562' and id > 2150757 and id<>'2150757' order by id asc limit 5