1·Risug is injected through special syringes into the vas deferens.
注入是通过特殊的针筒进入输精管。
2·The epithelial cells and the smooth cells of rabbit vas deferens were observed by TEM.
应用透射电镜观察了兔输精管上皮细胞和平滑肌细胞。
3·The article gives a detailed introduction of the process of marking flat tube needle for vas deferens puncture and a brief explanation of its application.
本文详细介绍了穿刺输精管用平头导管针的制作过程，并简单阐述了其使用方法。