1 国家电网公司集中规模招标采购 (项目单位名称) kV (工程名称)工程 铝包钢绞线 招标文件 (技术规范专用部分) 设计单位: 年 月 2 1 标准技术参数 ·······································································1 JLB20A-35-7 (JLB20A-35)标准技术参数 ················································1 JLB20A-50-7 (JLB20A-50)标准技术参数 ················································2 JLB40-50-7 ( JLB40-50)标准技术参数 ··············································