本标准规定了船体强力构件上的区域分类,开孔及补强。
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。
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。