“自旋转”用英语怎么说？

目的了解健康青年人的前庭自旋转试验 ( VAT ) 的正常值.Objective To explore the normal values of vestibular autorotation test ( VAT ) in young people.试验结果表明:用自旋转车刀加工金属纤维是一种行之有效的切削加工方法.Experimental results show that machining metal fibre by usin...