miàn duì / tū fā / tíng diàn / gōng chéng shī / ràng / shè bèi / qiē huàn / dào / bèi yòng / diàn yuán / zhè ge / gāo zhāo / jí shí / bì miǎn / le / shù jù / diū shī

面对突发停电，工程师让设备切换到备用电源，这个高招及时避免了数据丢失。

When a sudden power outage occurred, the engineer switched the equipment to a backup power supply, a smart move that prevented data loss in time.