plain limit gage

例句：

1. 1.The engineer used a plain limit gageto measure the length of the pipe.
   工程师使用平直限界尺来测量管道的长度。
2. 2. The construction crew used a straightlimit to ensure that the work was doneaccurately.
   施工队伍使用直尺以确保工作准确完成。
3. 3. The surveyor used a plaingauge to check the accuracy of the measurements.
   测量员使用平直限界尺来检查测量的准确性。