PVC电线导管预埋盒暗敷工艺标准.doc

本工艺标准适用于一般民用建筑内的照明系统，在混凝土结构内及砖混结构暗配管敷设工程（不得在高温场所及顶棚内敷设）。

This technology is applicable to general civil building lighting systems, concrete structures and masonry structure with pipe laying dark (but not hot place, and the laying of the roof).

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