gravity dynamometer

例句：

1. 1. The gravity dynamometer is used to measure the force exerted by a weight on a surface.
   重力测力计用于测量一个重物对表面施加的力。
2. 2. The engineer used the gravity dynamometer to determine the maximum load capacity of the machine.
   工程师使用重力测力计来确定机器的最大载荷容量。
3. 3.The gravity dynamometer was used to test the stability of the bridge during an earthquake.
   重力测力计被用来测试桥梁在地震期间的稳定性。