lever scale

例句：

1. 1.The engineer used a lever scale to measure the weight of the object.
   工程师使用杠杆比例尺来测量物体的重量。
2. 2. The scientist used a lever scale to measure the length of the rod.
   科学家使用杠杆比例尺来测量杆的长度。
3. 3. The architect used a lever scale to measure the height of the building.
   建筑师使用杠杆比例尺来测量建筑物的高度。