photoelectric micrometer

例句：

1. 1. This photoelectric micrometer can measure the thickness of the film accurately.
   这个光电微米计可以准确地测量薄膜的厚度。
2. 2. The engineer used a photoelectric micrometer to check the quality of the machine parts.
   工程师使用光电微米计检查机器零件的质量。
3. 3. The photoelectric micrometer is widely used in industrial inspections to ensure product quality.
   光电微米计在工业检测中广泛使用，以确保产品质量。