laser level

例句：

1. 1.The laser level is used to measure the distance between two points on a surface.
   激光水平用于测量两个表面点之间的距离。
2. 2.The laser level was used to align the parts of the machine.
   激光水平被用来对机器部件进行对齐。
3. 3. The laser level was used to ensure that the workpiece was accurately positioned.
   激光水平被用来确保工件准确定位。