Convert system with three-way control totwo-way, and modulate pump operation instead of constant full volume waterflow.
将系统从三向控制转换成双向，并调整水泵运作，而不是一成不变的使用最大量的水流。
Waterflow indicator used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when low occurs.
流量指示器用于声音报警，灯光报警，当流量发生时启动电机、泵等继电器或起动器开关。
Waterflow indicator used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc. , when no flow occurs.
流量开关用于声音报警，灯光报警，当无流量时启动电机、泵等继电器或起动器开关。
The present paper tries to study through model experiments the law governing the waterflow in clay fractures and proposes the concept of the critical rising rate of the waterhead.
通过模型实验，研究粘土体裂缝中的水流规律，提出了临界水位上升速度的概念。
The present paper tries to study through model experiments the law governing the waterflow in clay fractures and proposes the concept of the critical rising rate of the waterhead.
通过模型实验，研究粘土体裂缝中的水流规律，提出了临界水位上升速度的概念。
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