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cardiac value
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cardiac value
Encyclopedia
医学
心壁的结构
释
cardiac value
心瓣膜
在心脏的房室口和动脉口处分别有房室瓣、主动脉瓣和肺动脉瓣,统称为心瓣膜。
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undercrossing-point
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undercurrent safety culture
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