tool cutting edge inclination angle

例句：

1. 1.The tool's cutting edge is sharp enough to cut through even the toughest materials.
   这把工具的切削刃足够锋利，可以切割最坚硬的材料。
2. 2.The engineer used a laser to measure the inclination angle of the building's roof.
   工程师使用激光测量建筑物屋顶的倾斜角度。
3. 3. The carpenter carefully measured the angle of the door hinge before installing it.
   木匠在安装门铰链前仔细测量了角度。