extra thin steel wire

• 特细钢丝

extra thin steel wire的用法和样例：

例句

1. Copper conductor XLPE insulated fine steel wire armored low-smoke and non-halo sheathed Flame-retardant power cable.
   铜芯交联聚乙烯绝缘细钢丝铠装低烟无卤护套阴燃电力电缆。