Aluminium stranded sonductors
...50立式连续硫化（立式交联）： Vertical Continuous Vulcanizing 铝绞合导体： Aluminium stranded sonductors 钢丝铠装电缆： steel-reinforced Galvanized mild steel wire for armouring cable ..
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短语
同心式绞合铝导体
concentric-lay-stranded aluminium conductor