wéi / xiū / rén / yuán / gēng / huàn / le / zhèn / liú / qì / dēng / hěn / kuài / jiù / huī / fù / zhèng / cháng / le

维修人员更换了镇流器，灯很快就恢复正常了。

The maintenance worker replaced the ballast, and the light soon worked normally again.