extractor gauge

例句：

1. 1. The engineer used the extractor gauge to measure the pressure inside the tank.
   工程师使用提取器测压计来测量罐内的压力。
2. 2.The technician was tasked with maintaining the extractor gauge for the machine's operation.
   技术人员被指派负责维护机器的提取器测压计以确保其正常运行。
3. 3.The engineer had to adjust the extractor gauge to ensure that the pressure was within safe limits.
   工程师必须调整提取器测压计，确保压力在安全范围内。