ferrodynamometer

例句：

1. 1.The engineer used a ferrodynamometer to measure the strength of the steel beam.
   工程师使用一个铁动力计来测量钢梁的强度。
2. 2.The scientist conducted an experiment using a ferrodynamometer to study the relationship between magnetism and electricity.
   科学家使用一个铁动力计进行实验，研究磁与电之间的关系。
3. 3. The physicist employed a ferrodynamometer to analyze the thermal conductivity of different materials.
   物理学家使用一个铁动力计来分析不同材料的热传导性。