pneumatic pressure gauge的意思|示意

The research result shows that this principle and method provide a new thought to the design of back pressure pneumatic gauge.

研究结果表明，该原理和方法为背压式气动量仪的设计提供了一种新的思路。

The Ecoserial device is a digital economiser with differential pressure gauge able to pilot until 204 valves by connecting itself to a pneumatic driving module RPB with only two threads.

节能控制仪是一数码并内置有压差器的脉冲阀控制仪，最多能控制到204个脉冲阀，而这也只要用两根管子与RPB先导阀盒组串连起来就可以达到。