WATERFLOW SELECT 择开关
fresh-waterflow 淡水流量
waterflow retarding structure 缓流建筑物
Waterflow Park 街道地址
electrically operated waterflow alarm 电动水流报警器
pre ure waterflow alarm 降压水流报警器
drop-in-pressure waterflow alarm 降压水流报警器
pressure-operated switch waterflow initiating device 压力动作开关水流启动装置
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。
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