Click to edit Master title styleClick to edit Master text stylesSecond levelThird levelFourth levelFifth level兽医产科器械及其使用 构造简单坚固使用灵活方便不易损伤母体易于消毒便于携带等一绳导(snare introducer)二拉的器械(一)产科绳(obstetric snare)最