结果：磨砂玻璃征，腺泡样结节，病理性支气管气相具有重要的诊断价值。
Results: We found some signs are of great importance: opaque glass sign, alveolar nodular sign, pathologic air bronchogram sign.
凉燥组小鼠气道病变比温燥组略轻，约20%浆液腺上皮黏液腺化生。
Pathological changes of the air-way in cool-dry group were milder with hyperplasia of about 20% of the serous gland.
凉燥组小鼠气道病变比温燥组略轻，约20%浆液腺上皮黏液腺化生。
Pathological changes of the air-way in cool-dry group were milder with hyperplasia of about 20% of the serous gland.
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