“venous return”例句

单词 venous return
例句 DEFINITIVE EXAMPLES 权威例句〔Valsalva maneuver〕Expiratory effort against a closed glottis, which increases pressure within the thoracic cavity and thereby impedes venous return of blood to the heart.佛萨瓦氏压力均衡法:对着关闭的声门做的呼气努力,以增加胸腔内的压力并且由此阻止静脉血倒流回心脏美国传统

 

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