释义 |
tre·pan·ning 英trɪ'pænɪŋ美trɪ'pænɪŋ COCA³¹⁵¹¹¹⁺⁴BNC²³⁶²¹³⁺¹ 基本英英例句 n.开孔¹⁰⁰原型trepan的现在分词 名词 trepan: a surgical instrument used to remove sections of bone from the skulla drill for cutting circular holes around a center The principles, characteristics, processing laws and efficiency of EDM trepanning cavity of the moulds were analyzed. 分析了电火花套型加工的工艺原理、特点及加工工艺规律和加工效率。 airiti Based on analyzing the characteristic of engineering ceramic and fiber composite, the diamond trepanning drill is selected. 基于工程陶瓷及纤维增强复合材料的性能特点,选用金刚石套料钻来对其进行钻孔加工。 dictall Radial distortion of the flexible component in the stop valve can be adjusted so as to ensure the joint depth between flexible screw thread trepanning circular groove and screw thread on the screw. 截止阀的柔性元件的径向变形值可以调节,保证柔性螺纹套的环槽与螺杆上的螺纹的接合深度。 cnki There are two kinds of gun drills, namely, the center- cut gun drill used for drilling blind holes and the trepanning drill. 深孔钻有两种类型,即用于钻盲孔的中心切削深孔钻和套孔钻。 mapeng |