一个两心室的起搏器可以解决这个问题。

A biventricular pacemaker can fix this problem.

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左心室的厚度约为右心室的两倍。

The thickness of the left ventricle is approximately twice that of the right ventricle.

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心脏有两个心房与两个心室，四间房。

A heart has two atria and two ventricles, four rooms.

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心脏有两个心房与两个心室，四间房。

A heart has two atria and two ventricles, four rooms.

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