thermomechanical analyzer

例句：

1. 1. Thermal energy is the form of energy that is released when a substance changes state.
   热能是物质状态改变时释放的能量形式。
2. 2. In thermomechanical engineering, engineers design and build machines that can convert thermal energy into mechanical energy.
   在热力学工程中，工程师设计并建造机器，将热能转化为机械能。
3. 3. Thermal expansion is the change in volume of a material due to changes in temperature.
   热膨胀是由于温度变化导致的材料的体积变化。