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[国外标准] BS 7870-5:1999 LV and MV polymeric insulated cables for use by distribution and generation utilities -Part 5

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P:2009-04-06 16:38:55

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ABC  CABLE(架空绝缘电缆)

BS 7870-5:1999 LV and MV polymeric insulated cables for use by distribution and generation utilities -Part 5.pdf

meshed - 网孔形网络,网状网络；格形(城域网的一种拓扑结构) （0） 投诉

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