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[国外标准 ] BS 8491 - 2008

jeremy16

P: 2017-11-30 13:25:32

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Method for assessment of fire integrity of large diameter power cables for use as components for smoke and heat control systems and certain other active fire safety systems

skin conductor - 外表导电的导体,表层导体(导体表层导电率最高) 点赞(0) 投诉

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