One of the Uninterruptible Power Supplies (UPS) at the office has failed the battery self test!
办公室一个不间断电源(ups)自检失败！
Uninterruptible power supplies (UPS) are often provided to supply power to critical loads such as computers, controls, and monitoring systems.
不间断电源(ups)通常作为重要负荷，如计算机、控制、监测系统的电源。
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