internal broaching

例句：

1. 1.The machine's internal broaching is designed to fit perfectly into the hole.
   这台机器的内孔钻设计得能完美地适配到孔中。
2. 2.The engineer used an internal broaching tool to remove the damaged part.
   工程师使用了一个内孔钻工具来移除受损的部分。
3. 3.The company specializes in manufacturing high-quality internal broaching tools for various industries.
   该公司专门制造各种行业的高质量内孔钻工具。