duplex pressure gauge

例句：

1. 1.The engineer used a duplex pressure gauge to monitor the pressure in the pipeline.
   工程师使用双路压力表来监测管道中的压力。
2. 2. The construction crew installed a duplex pressure gauge to ensure safe operation of the machinery.
   施工队安装了一个双路压力表，以确保机器的安全运行。
3. 3.The technician carefully checked the readings from the duplex pressure gauge before making any adjustments.
   技术员仔细检查了双路压力表的读数，然后才进行任何调整。