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How many cusps are there supposed to be on this pulmonic valve.
你认为这个肺动脉瓣有多少个瓣叶？
youdao
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The most common causes are aortic or pulmonic valve regurgitation.
最常见的原因是主动脉瓣或肺动脉瓣反流。
youdao
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The most common causes are aortic or pulmonic valve regurgitation.
最常见的原因是主动脉瓣或肺动脉瓣反流。
youdao