frictional strain gauge

例句：

1. 1. This strain gauge is used to measure the stress in a material during deformation.
   这个应变计用于测量材料在变形过程中的应力。
2. 2. The engineer used this strain gauge to detect any changes in the structure's integrity.
   工程师使用这个应变计来检测结构完整性的任何变化。
3. 3.The strain gauge was crucial in the development of new materials that could withstand high temperatures.
   应变计在开发能够承受高温的新型材料中至关重要。