shear axis

例句：

1. 1. The machine's shear axis is aligned perfectly with the cutting line.
   机器的剪切轴与切割线完美对齐。
2. 2.The construction crew used a shear axis to cut through the concrete wall.
   建筑工人使用剪切轴切开了混凝土墙。
3. 3.The shear axis of the beam is crucial for its stability during bending.
   梁的剪切轴线对其弯曲稳定性至关重要。