gōng / chéng / shī / zài / diàn / nǎo / sàn / rè / xì / tǒng / zhōng / ān / zhuāng / le / yì / gēn / rè / guǎn工程师在电脑散热系统中安装了一根热管。The engineer installed a heat pipe in the computer's cooling system.