shī / gōng / qián / gōng / zuò / rén / yuán / bì / xū / què / rèn / dì / xià / méi / yǒu / mái / shè / diàn / lǎn施工前,工作人员必须确认地下没有埋设电缆。Before construction, staff must make sure that no cables have been installed underground.