According to this industrial situation, a computer control calibration system with gas flow standard device by the master meter method is researched and designed.
本文针对这样的工业现状，研制了一种标准表法气体流量标准装置计算机测控系统。
Rated relieving capacity is the flow capacity of a relief device expressed in terms of air flow at standard conditions ( SCFH or Nm3/h).
额定泄放量是用标准状况下的气体体积表示的泄压设施的体积流量。
Finally, some other characteristics of the variable water head standard device for large flow rate have been dealt with and theoretically investigated.
本文对使用的方法进行了初步探讨，并讨论了变水头大流量标准装置的一些其它特性。
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。
Rated relieving capacity: The flow capacity of a relief device expressed in terms of air flow at standard conditions ( SCFH or Nm3/h) at a designated pressure or vacuum.
额定泄放量：在设计压力或设计真空下，用标准状况下的气体体积表示的泄压设施的体积流量。
Whereas the process flow of small high efficiency oil removal device requires higher using condition and after filtation the water quality is easy to exceed standard.
而小型高效除油设施体积小，占地面积少，但要求污水含油量在平稳状态下运行，处理后的水质容易超标准。
Whereas the process flow of small high efficiency oil removal device requires higher using condition and after filtation the water quality is easy to exceed standard.
而小型高效除油设施体积小，占地面积少，但要求污水含油量在平稳状态下运行，处理后的水质容易超标准。
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