valve orificevalvular orifice瓣膜: valve口: mouth双心瓣膜口: double cardiac valve orifice瓣膜口面积计算: valvular orifice area calculation膜口目: hymenostomatida下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:瓣膜口，即可在微信中查询翻译
