半硬质阻燃型塑料管暗敷设工程.doc
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本章适用于一般民用建筑内的照明工程,不得在高温场所及顶棚内敷设。
This chapter applies to the general lighting within the civil construction works shall be laid in high places and the roof.
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本章适用于一般民用建筑内的照明工程,不得在高温场所及顶棚内敷设。
This chapter applies to the general lighting within the civil construction works shall be laid in high places and the roof.