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on/off/test button /ɒlfˈaktəɹi mjuːkˈəʊsə/ n

中文：开关测试按钮

中文 · 开关测试按钮Español · botón de encendido/apagado/testFrançais · bouton marche/arrêt/test
Meaning：Button that turns on the UPS and begins the procedure of checking the status of the battery.
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Uninterruptible power supply

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