结论咯血或血痰、肺部音、呼吸困难是严重肺挫伤的主要表现。

Conclusion Hemoptysis or sputum with blood, rales over the lungs and dyspnea are the major manifestations of severe pulmonary contusion.

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结论咯血或血痰、肺部音、呼吸困难是严重肺挫伤的主要表现。

Conclusion Hemoptysis or sputum with blood, rales over the lungs and dyspnea are the major manifestations of severe pulmonary contusion.

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