precision differential manometer

例句：

1. 1.This precision differential manometer is used to measure the pressure difference between two points in a pipeline.
   这个精密差动式压力计用于测量管道中两点之间的压力差。
2. 2.The engineer used this precision differential manometer to check the accuracy of his calculations.
   工程师使用这个精密差动式压力计来检查他的计算的准确性。
3. 3. During testing, the precision differential manometer was used to detect any leaks in the system.
   在测试过程中，精密差动式压力计被用来检测系统中的任何泄漏。