side-cutting edge

例句：

1. 1.The new car has a side-cutting edge that makes it more efficient.
   这款新车有一个侧面切削边缘，使其更加高效。
2. 2.The tool's cutting edge is sharp enough to cut through even the toughest material.
   这个工具的切削边缘足够锋利，可以切割最坚硬的材料。
3. 3.The engineer used a side-cutting edge to make the machine more compact.
   工程师使用侧面切削边缘使机器更加紧凑。