steel slip gauge

例句：

1. 1. He used a steel slip gauge to measure the length of the pipe.
   他用钢滑尺测量了管子的长度。
2. 2. The engineer was using a steel slip gauge to check the accuracy of the measurements.
   工程师正在用钢滑尺检查测量的准确性。
3. 3. The construction crew used steel slip gauges to ensure the walls were straight and level.
   建筑工人使用钢滑尺确保墙壁是直的和水平的。