colloidal substance短语¹³¹⁶²⁰⁺³ 基本例句 胶质 Methods An embolic colloidal substance with stable swelling value was embedded in an extracorporeal model which was used as an imitator of femoral artery blood flow velocity. 方法在模拟股动脉血流速度的体外模型上，置入有稳定溶胀效果的栓塞胶体。 kns50.chkd.cnki.net