standard taper reamer

例句：

1. 1. The standard taper reamer is used to create a smoothsurface for the screw head.
   标准锥形钻头用于为螺丝头创造一个光滑的表面。
2. 2. The engineer used the standard taper reamer to drill holes inthe metal sheet.
   工程师使用标准锥形钻头在金属板上钻孔。
3. 3. The standardtaper reamer was essential forthe construction of the bridge.
   标准锥形钻头对于桥梁的建设至关重要。