Objective: To evaluate the myocardial protection of changing temperature blood cardioplegia for heavy valve replacement.
目的：探讨变温含血停跳液对重症心脏瓣膜置换的心肌保护作用。
It integrates center drive, transmission and speed changing control valve into one component.
独到的结构将中央传动、变速箱和变速控制阀构造成为一个整体部件。
It integrates center drive, transmission and speed changing control valve into one component.
独到的结构将中央传动、变速箱和变速控制阀构造成为一个整体部件。
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