Diàn / zǐ / wéi / xiū / rén / yuán / chóng / xīn / jiā / rè / hàn / diǎn / xiū / fù / le / zhè / kuài / diàn / lù / bǎn

电子维修人员重新加热焊点，修复了这块电路板。

The electronics technician reheated the solder joint and repaired the circuit board.