spiral optical micrometer

例句：

1. 1. The engineer used a spiral optical micrometer to measure the diameter of the pipe.
   工程师使用螺旋光学微米计测量管道的直径。
2. 2. The scientist conducted an experiment using a spiral optical micrometer to study the properties of matter.
   科学家使用螺旋光学微米计进行实验，研究物质的性质。
3. 3. The doctor used a spiral optical micrometer to check the accuracy of the patient's blood pressure readings.
   医生使用螺旋光学微米计检查病人血压读数的准确性。