photoelectric width gauge

例句：

1. 1.This photoelectric width gauge can precisely measure the distance between two points.
   这个光电宽度计可以精确测量两点之间的距离。
2. 2. The engineer used the photoelectric width gauge to check the accuracy of the measurements.
   工程师使用光电宽度计检查测量的准确性。
3. 3. The photoelectric width gauge is essential for measuring the size of objects accurately.
   光电宽度计对于准确测量物体的大小至关重要。