单词：drill jig
drill jig的用法和样例：
例句
- Two types of drill jigs locating plate and shaft parts with cylindrical locators are introduced.分别介绍了依据圆柱体母线对板类及轴销类零件进行定位的两种钻模。
- Jig design for reaming is basically the same as for drilling, which has been discussed throughout the chapter.为绞刀所做的钻模设计从根本上与为了钻孔而做的相同，对于后者的讨论已贯穿章节各处。
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