internal pressure tester

例句：

1. 1. This internal pressure tester is used to check the integrity of pipelines.
   这个内部压力测试仪用于检查管道的完整性。
2. 2. The engineers used this internal pressure tester to identify potential leaks in the pipeline.
   工程师们使用这个内部压力测试仪来识别管道中潜在的泄漏。
3. 3. The company's new internal pressure tester has improved accuracy and reduced downtime.
   公司的新款内部压力测试仪提高了准确性并减少了停机时间。