In a digital weir, open loop digital control is applied, and the method is simple and reliable. And it can give accurate flow according to the given process curve.
数字量水堰是开环控制方式，方法简便可靠，可以按给定的过程曲线精确可靠地施放流量。
This paper introduces the application of principle and structure of Open-top type proportion weir flow sensor and the features flow of this sensor.
文中介绍了无顶式比例堰流量传感器的基本原理和结构，研究了无顶比例堰的流量特性。
The calculation of right angled triangle weir-type open channel flowmeter is described. A high precision experiential flow calculating formula is given.
论述了直角三角形堰式明渠流量计算问题，提出了一种高精度流量计算经验公式。
The measuring principles of weir and flume open channel flowmeters are introduced and a new calculation formula for weir flowmeter is stated.
介绍堰式和槽式明渠流量计的测量原理，提出了一种新的堰式流量计算公式。
The reliability analysis on capacity of a trapezoidal open channel which with its upstream weir of sluices is taken to be a series connecting hydraulic system is given in this paper.
本文将明渠及其上游的堰闸视为一个水力系统，然后研究梯形断面明渠过流能力的可靠性。
Monitor flow through open channels, partially full sewer pipes and surcharged pipes without a flume or weir.
监测流经渠道畅通，部分满污水管道和水槽或无堰征收附加费管道。
Monitor flow through open channels, partially full sewer pipes and surcharged pipes without a flume or weir.
监测流经渠道畅通，部分满污水管道和水槽或无堰征收附加费管道。
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