... 过速电驿 over-speed relay 过速开关 over-speed switch 超应力故障 over-stress failure ...
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over speed switch 超速开关
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One enhancement, the new Commander PoE, is a full-featured IP communications hub and network switch that provides power over Ethernet to high-speed domes, heaters, and blowers.
一经改进，新的以太网供电设备是一个全功能的IP通信枢纽和网络交换机，可通过以太网为高速球型摄像机，电暖炉，和鼓风机供电。
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