tóng / hé / lǚ / dōu / shì / hěn / hǎo / de / dǎo / rè / cái / liào / bèi / guǎng / fàn / yòng / yú / sàn / rè / qì / zhì / zào铜和铝都是很好的导热材料,被广泛用于散热器制造。Both copper and aluminum are excellent heat-conducting materials, widely used in manufacturing radiators.