最全铝包钢绞线技术参数表 1 标准技术参数 ···································· 1 1.1 JLB20A-35-7（JLB20A-35）标准技术参数 ······················ 1 1.2 JLB20A-50-7（JLB20A-50）标准技术参数 ······················ 2 1.3 JLB40-50-7（JLB40-50）标准技术参数 ······················· 4 1.3 JLB20A-80-7（JLB20A-80）标准技术参数 ······················ 5 1.4 JLB40-80-7（JLB40-80）标准技术参数 ······················· 6 1.5 JLB20A-100-19（JLB20A-100）标准技术参数 ···············