兑水 发表于 2009-9-12 20:04:52

ASTM B 500-1998 钢芯加强的铝导线用镀金属层的钢芯线(ACSR)

B500/B500M-98(2002) Standard Specification for Metallic Coated Stranded Steel Core for Aluminum Conductors, Steel Reinforced (ACSR)
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