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[国外标准] ASTM B 738-03(R2008) Standard Specification for Fine-Wire Bunch-Stranded and Rope-Lay Bunch-Stranded Copper Conductors for Use as Electrical Conductors

P:2011-03-26 11:21:29

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radial strain-induced attenuation - 辐射应变感应衰减 (0) 投诉

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