Gōng / chéng / shī / zhèng / zài / tiáo / zhěng / wú / xiàn / diàn / de / pín / dài / yǐ / jiǎn / shǎo / gān / rǎo工程师正在调整无线电的频带,以减少干扰。The engineer is adjusting the radio frequency band to reduce interference.