A flowmeter in the potable water line feeds information to the control system which controls the pump speed to control ratio.
饮用水管道中的流量计向控制系统传送信息，控制系统控制泵的速度以控制比率。
2
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。
3
Composite water flow Calibration Facility that our unit designed, makes up of standard metal tank group, standard flowmeter, water-supply system, pipeline system, control cabinet and diverter mainly.