COPD相关的组织损伤也能导致肺排气显著的障碍，从而使人感觉呼吸短促。
COPD-related tissue damage can also make it particularly difficult to expel air from the lungs, which can make you feel short of breath.
COPD相关的组织损伤也能导致肺排气显著的障碍，从而使人感觉呼吸短促。
COPD-related tissue damage can also make it particularly difficult to expel air from the lungs, which can make you feel short of breath.
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