开关测试按钮
/ɒlfˈaktəɹi mjuːkˈəʊsə/
n
English: on/off/test button · 开关测试按钮
English · on/off/test buttonEspañol · botón de encendido/apagado/testFrançais · bouton marche/arrêt/test
释义：Button that turns on the UPS and begins the procedure of checking the status of the battery.