兑水 发表于 2009-9-13 08:12:12

ASTM B 549-2004 包铝钢芯加强的同芯绞捻铝导线(ACSR/AW)

B549-00 Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Aluminum-Clad Steel Reinforced (ACSR/AW)
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