rotation dynamometer

例句：

1. 1. The engineer used a rotation dynamometer to measure the torque on the bolt.
   工程师使用旋转测力计测量螺栓的扭矩。
2. 2.During testing, the technician had to rotate the dynamometer multiple times to get accurate readings.
   在测试过程中，技术人员必须多次旋转测力计以获得准确的读数。
3. 3. The dynamometer was used to simulate the force applied by a heavy machine in the construction site.
   测力计被用来模拟施工现场重型机器施加的力。