file:支气管呼吸音--呼气大于吸气.mp3 file:呼气相哮鸣 (干罗音 ) 持续时间长.mp3 file:干罗音 (慢支呼音)呼气时明显有哮鸣音 持续时间长.wma file:粗湿啰音— 吸气时明显,断续而短暂.mp3 file:主动脉瓣关闭不全-舒张期叹气样.mp3 file:正常心音.mp3 file:动脉导管未闭-全程连续性.mp3