The diagnosis is made on the basis of lung function tests, chest X-ray, measurement of the levels of blood oxygen and carbon dioxide, examination of the sputum and other tests.
诊断的基础上作出的肺功能测试，X线胸片，测量水平的血液氧气和二氧化碳，考试的痰液和其他的测试。
The diagnosis is made on the basis of lung function tests, chest X-ray, measurement of the levels of blood oxygen and carbon dioxide, examination of the sputum and other tests.
诊断的基础上作出的肺功能测试，X线胸片，测量水平的血液氧气和二氧化碳，考试的痰液和其他的测试。
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