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A heart has two atria and two ventricles, four rooms.
心脏有两个心房与两个心室，四间房。
youdao
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Common design guides on smoke management in atria will be reviewed in this paper.
本文回顾在中庭中常用的烟气管理设计导则。
youdao
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Common design guides on smoke management in atria will be reviewed in this paper.
本文回顾在中庭中常用的烟气管理设计导则。
youdao