valval
美 ['vælv?l]
英 ['vælv?l] 
英漢解釋
例句
Discussion about cardiac admittance difference loop orpulmonary admittance difference loop for study of the valval diseases
心導納微分環肺導納微分環對瓣膜病研究的探討
Valvoplasty for organic tricuspid valval disease utilizing autogeneous pericardium
應用自體心包行器質性三尖瓣病變瓣膜成形術