As COPD advances, it becomes intertwined with heart failure, because your circulatory system isn't getting the oxygen it needs to be healthy.
当COPD加深时，就会常常伴有心力衰竭，因为你的循环系统没有获得能让它良好运行必需的氧气。
As COPD advances, it becomes intertwined with heart failure, because your circulatory system isn't getting the oxygen it needs to be healthy.
当COPD加深时，就会常常伴有心力衰竭，因为你的循环系统没有获得能让它良好运行必需的氧气。
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