While 32 cases(46% ) of the 65 VBI exist abnormal changes in MRA. The most common is the vertebra artery stenosis, the second is the change of arteriosclerosis.是什么意思_While 32 cases(46% ) of the 65 VBI exist abnormal changes in MRA. The most common is the vertebra artery stenosis, the second is the change of arteriosclerosis.在线翻译_英语_读音_用法_例句