standard calliper gauge

例句：

1. 1. The engineer used a standard calliper gauge to measure the length of the pipe.
   工程师使用标准卡尺测量管道的长度。
2. 2. The construction company uses standard gauges to ensure the quality of their work.
   建筑公司使用标准量规来确保他们工作的质量。
3. 3. The scientist used a standard gauge to measure the diameter of the sample.
   科学家使用标准量规来测量样品的直径。