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1·Is Each PKS node have a dedicated circuit breaker. Redundant devices should have dual power supply?

是否每个PKS节点在配电盘上均有单独的断路器，冗余节点应配两路电源？

2·Circuit switched transmission entails a dedicated circuit for communication between two dedicated devices.

线路交换传送需要在两个专用设备之间使用专用线路进行通信。

3·That technology makes calls less expensive than traditional phone services, which require a dedicated circuit for each connection.

它比传统电话话费要低廉许多。

4·A dedicated liquid-cooling circuit maintains the pack's temperature to within 2 degrees.

专用的液冷循环系统将电池组的温度变化维持在2度的范围内。

5·The power input connector on the switch has two dedicated alarm circuit connections that can be wired to any warning device, such as a PLC or pilot light .

转换器中的功率输入连接器有两个专门的告警电路接线，可以连接任何报警装置，例如PLC或者标灯。