应变仪

例句：

1. 1. The engineer used a strain gauge to measure the stress in the material.
   工程师使用应变计测量材料中的应力。
2. 2. The strain gauge was used to monitor the temperature changes in the building.
   应变计被用来监测建筑物中的温度变化。
3. 3. The strain gauge was connected to a computer to record the data.
   应变计连接到电脑上记录数据。