differential dilatometer

例句：

1. 1.The differential dilatometer was used to measure the deformation of the material under different loads.
   差动式测微计被用来测量材料在不同载荷下的形状变化。
2. 2. The engineer used the differential dilatometer to analyze the stress distribution in the structure.
   工程师使用差动式测微计来分析结构中应力的分布情况。
3. 3. The differential dilatometer was crucial for detecting any defects in the welding process.
   差动式测微计对于检测焊接过程中的任何缺陷至关重要。