下列哪个部位没有防止血液倒流的瓣膜a.心室与动脉之间b.静脉血管c.心房与静脉之间d.心房与心室之间——青夏教育精英家教�—— Template




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tomski下列哪个部位没有防止血液倒流的瓣膜a.心室与动脉之间b.静脉血管c.心房与静脉之间d.心房与心室之间——青夏教育精英家教�—— coloring