conical trephine锥形环钻
Trephine mill使用特殊的中空环锯
trephine saws圆锯
drainage trephine钻孔引流
antrum trephine上颌窦环锯
dental trephine牙环钻
nasal trephine鼻环锯;翻译
tympanic trephine鼓室环锯;翻译
corneoscleral trephine角巩膜环钻
N(名词) a surgical sawlike instrument for removing circular sections of bone, esp from the skull 带柄环锯
V(动词) to remove a circular section of bone from (esp the skull) 用环锯在(头骨)上钻孔