piston type pressure gauge

例句：

1. 1.The engineer used a piston type pressure gauge to measure the pressure in the pipeline.
   工程师使用活塞式压力计来测量管道中的压力。
2. 2. The technician was required to check the piston type pressure gauge before starting the machine.
   技术人员在启动机器之前需要检查活塞式压力计。
3. 3. The manufacturer of the piston type pressure gauge has been sued for false advertising.
   活塞式压力计的制造商因虚假宣传而被起诉。