quartz bar extensometer

例句：

1. 1. Thequartz bar extensometer wasused to measure the length of the sample.
   石英条式伸缩表被用来测量样品的长度。
2. 2. The quartz bar extensometer is a precise tool for measuring smalldimensions.
   石英条式伸缩表是一种精确的工具，用于测量小尺寸。
3. 3. The quartz bar extensometer was used todetect any defects in the material.
   石英条式伸缩表被用来检测材料中的任何缺陷。