finger plethysmograph手指体积描记器
intestinal plethysmograph小肠容积描记器
digital plethysmograph手指体积描记器
photoelectric plethysmograph[医] 光电式体积描记器
ear plethysmograph耳用体积描记仪
mercury plethysmograph水银体积描记器
impedance plethysmograph阻抗脉波计;阻抗体积描记器
caudal plethysmograph尾容积记录器
photoelectric blood stream plethysmograph型光电血流容积仪
N（名词） a device for measuring the fluctuations in volume of a bodily organ or part, such as those caused by variations in the amount of blood it contains 体积描记器