下列哪一项舒张期正向血流速度最大（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27183' and id < 2252479 and id<>'2252479' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27183' and id > 2252479 and id<>'2252479' order by id asc limit 5