stress-strain gauge

例句：

1. 1.The stress-strain gauge is used to measure the strain in a material under load.
   应力应变计用于测量材料在负载下的应变。
2. 2. The engineer used the stress-strain gauge to monitor the deformation of the structure during testing.
   工程师使用应力应变计监测结构在测试期间的变形。
3. 3.The stress-strain gauge was crucial in detecting the cracks in the concrete beam before they became too large to repair.
   应力应变计在检测混凝土梁中的裂缝之前变得太大无法修复时至关重要。