uncontact caliper

例句：

1. 1.The engineer used an uncontact caliper to measure the distance between the two walls.
   工程师使用无接触卡尺测量两堵墙之间的距离。
2. 2. The construction team was using an uncontact caliper to check the accuracy of their measurements.
   施工团队正在使用无接触卡尺检查他们测量的准确性。
3. 3.The scientist used an uncontact caliper to measure the thickness of the material being tested.
   科学家使用无接触卡尺测量待测试材料厚度。