应变计

例句：

1. 1. The strain gauge is usedto measure the deformation of materials under stress.
   应变片用于测量材料在应力下的形状变化。
2. 2. The engineer used a strain gaugeto detect the crack in the concrete beam.
   工程师使用应变片检测混凝土梁中的裂缝。
3. 3. The strain gauge was connected to acomputer to record the data during the experiment.
   应变片连接到电脑上记录实验数据。