piezoelectric pressure indicator

例句：

1. 1.The piezoelectric pressure indicator is used to measure the pressure of the fluid inside the container.
   压电压力指示器用于测量容器内流体的压力。
2. 2. The piezoelectric pressure indicator was invented by a scientist who was interested in the properties of materials.
   压电压力指示器是由一位对材料性质感兴趣的科学家发明的。
3. 3. The piezoelectric pressure indicator can be used to detect changes in the pressure of the fluid as it flows through the system.
   压电压力指示器可以用来检测流体在通过系统时压力的变化。