Zǐtóng / dǎodiànxìng / hǎo / cháng / bèi / yòng / lái / zhìzào / diànxiàn / hé / sànrèqì.紫铜导电性好,常被用来制造电线和散热器。Pure copper conducts electricity well and is often used to make wires and heat sinks.