...> 差压控制器,剩余压差调节器,剩余压力调节器 differential pressure device ==> 差压装置 differential pressure devices ==> 差压装置 ..
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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。
Several factors effecting on BOD in the industrial waste water were studied by using the differential-pressure metering device of BOD, and the corresponding improving methods were put forward.
探讨了利用差压式BOD测定装置测定工业废水中BOD时影响其准确度的几个因素，并提出了相应的改进方法。
The differential pressure fluctuation has a quite great influence upon the measure precision in measuring natural gas flow rate with the measuring device by use of standard orifice plate.
在采用标准孔板节流装置测量天然气流量时，盖压波动对测量精度影响甚大。
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