... oil flow detection relay 油流检测继电器 flow control relay流量控制继电器 water flow relay 水流量继电器 ; 水流继电器 ...
双语例句
1
Relay valves convert a sustained air flow from a three-way pilot valve into a momentary pulse or bleed, which shifts a control valve and then closes.
延迟阀可调节从三通控制阀到瞬间脉冲或放气阀的空气流量，放气阀或瞬间脉冲改变控制阀，然后关闭。
2
Moreover, WAXP carries all control information in packet headers, thus the advantage of requiring no per-flow state on relay nodes significantly improves the scalability of the protocol.