... negative pressure water control 负水头控水 pressure flow control 提供背压流控功能 pressure compensated control valve 压力补偿控制阀 ...
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Back-pressure flow control 提供背压流控功能 ; 背压流控功能
pressure and flow control system 压力及流量控制系统
negative flow control pressure 反向流操纵压力
Pressure-Compensated Flow-control Valve 压力补偿节流阀
Pressure and flow control valves 压力和流量控制阀
pressure and flow compound control 压力流量复合控制
pressure compensated flow control valve 压力补偿流量控制阀
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