兑水 发表于 2009-9-15 08:54:55

ASTM B 857-2002 包钢加强的（ACSS/TW）成型密实同心绞捻铝导线...

B857-02 Standard Specification for Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Supported (ACSS/TW)
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