command relay circuitry 指令继电控制线路
Next, to tell the directors to relay incoming HTTP requests to the HA floating IP address on to the realservers, use the ipvsadm command.
接下来，要通知控制器将引入的HTTP请求传递给ha浮动ip地址，接着再传给realserver，使用ipvsadm命令。
The protective relay is a sensing device, which senses the fault, determines its location and then send command to the proper circuit breaker by closing its trip coil.
保护继电器是一个传感装置，感官的过错，确定其位置，然后发送命令关闭其旅行线圈到正确的断路器。
The circuit breaker after getting command from the protective relay, disconnects only the faulted element.
从后得到的保护继电器命令断路器，只有断开故障因素。
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