Tag closed cup tester

例句：

1. 1. We used this tag closed cup tester to identify the leak in the pipe.
   我们使用这个标签封闭杯测试仪来识别管道中的泄漏。
2. 2. The engineer used the tag closed cup tester to check the integrity of the seals on the valves.
   工程师使用标签封闭杯测试仪来检查阀门密封的完整性。
3. 3. The technician was tasked with using the tag closed cup tester to troubleshoot the issue with the air conditioning system.
   技术人员被指派使用标签封闭杯测试仪来诊断空调系统的故障。