英语语法分析

A small intestinal villosity microvessels model and a circulatory simulation system were made.

制作了一个小肠绒毛微血管模型和一个循环模拟系统。

METHODS: A small intestinal villosity microvessels model and a circulatory simulation system were made.

根据小肠绒毛微血管结构设计制作了体外模型，建立一套模拟体循环系统。