cable trunking section 中文意思是什麼
cable trunking section
解釋
電纜中繼段-
Cable trunking and cable ducting systems for electrical installations - particular requirements for slotted cable trunking systems intended for installation in cabinets - section 3 : slotted in cabinets
電氣裝置用電纜導管和電纜管道系統.配電箱內安裝的線槽電纜主幹系統專門要求.第3節:配電箱內開槽 -
Cable trunking and ducting systems for electrical installations - part 2 : particular requirements - section 4 : service poles
電設備用電纜干線系統和電纜管道系統.第2部分:特殊要求.第4節:工作電極
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