1质量成本的重要性和组成电缆作为传输电能、信息和实现电磁能转换的载体,在国防、科技、信息领域、工农业生产以及人们日常生活中都起着举足轻重的作用。虽然电线电缆产品结构较为简单,但其质量直接关系到国民经济的健康发展及人身、财产的安全,所以对电缆性能的要求较高。 Importance and Quality of Costs Cables play a crucial role in national defense, science and technology, information, industrial and agricultural production, and people’s daily life as a carrier for transmitting electric energy, information and electromagnetic energy conversion. Although the product structure of wire and cable is relatively simple, its quality is directly related to the healthy development of the national economy and the safety of people and property. Therefore, the requirements on the performance of the cable are relatively high.