wéi / xiū / rén / yuán / xiān / guān / duàn / diàn / yuán / zài / jiǎn / chá / shè / bèi / shì / fǒu / sǔn / huài

维修人员先关断电源，再检查设备是否损坏。

The repair staff shut off the power before checking whether the equipment was damaged.