名词
中文翻译：螺旋形花纹扩张钻头同义词
同义词：
['spiralfluted drill bit', 'spiral flutedtaper drill bit']
例句：
-
1. This tool is designed to expand thebore of a hole in a material likemetal.
这种工具设计用来在金属等材料中扩孔。
-
2. The engineer used this toolto create a precise fit for the bolts in the machine.
工程师使用这种工具为机器中的螺栓制作精确的配合。
-
3. Thedrill bit was made from high-carbonsteel and features a spiral flute designfor better cutting efficiency.
钻头由高碳钢制成，具有螺旋槽设计以提升切割效率。