differential caliper log

例句：

1. 1. The differential caliper logis used to measure the differences in heightbetween two points on a line.
   差分卡尺日志用于测量两点之间的高度差异。
2. 2. The engineer used the differential caliper log to calculate the slope of theroad.
   工程师使用差分卡尺日志来计算道路的坡度。
3. 3. Thedifferential caliper logwas used to determine the exactlocation of the fault in the rock.
   差分卡尺日志被用来确定岩石中裂缝的具体位置。