nude gauge

例句：

1. 1.The engineer used a nude gauge to measure the length of the pipe.
   工程师使用无衣尺来测量管道的长度。
2. 2.He measured the width of the door with a nude gauge.
   他用无衣尺测量门的宽度。
3. 3. The carpenter used a nude gauge to ensure the accuracy of the measurements.
   木匠用无衣尺确保测量的准确性。