piezoelectric strain gage

例句：

1. 1.The piezoelectric strain gage was used to measure the displacement of the material during testing.
   使用压电应变片来测量材料在测试过程中的位移。
2. 2. The engineer used a piezoelectric strain gage to monitor the stress in the structure during construction.
   工程师使用压电应变片来监测结构施工期间的应力。
3. 3. The piezoelectric strain gage is an essential tool for measuring small deformations in materials.
   压电应变片是测量材料微小变形的关键工具。