multidiameter expansion reamer

例句：

1. 1.This multidiameter expansion reamer is ideal for drilling through thick concrete.
   这种多直径扩张钻头非常适合钻孔穿过厚混凝土。
2. 2.The engineer used a multidiameter expansion reamer to create a smooth surface for the new floor.
   工程师使用多直径扩张钻头为新地板创造了一个光滑的表面。
3. 3. The tool's ability to expand and contract at different diameters makes it versatile in various construction applications.
   这种工具能够在不同直径下扩张和收缩，使其在各种建筑应用中具有灵活性。