burs

He picked off the burs that had stuck to his overcoat.

他摘下粘在外衣上的刺果.

《簡明英漢詞典》

Methods: The root canalroot canal orifice burs and helical drilling bits were prepared in advance.

方法: 采用根管口臺階狀車針與螺旋型根管鉆組合起來擴大根管.

互聯(lián)網