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栅格管施工指南中国电信重庆分公司目录1概述............................................................................................................................................11.1指南内容及范围..........................................................................................................11.2引用规范......................................................................................................................11.3解释权..........................................................................................................................12栅格管..........................................................................................................................................12.1栅格管及配件安装原则..............................................................................................1i.八孔管..........................................................................................................................3ii.二孔管..........................................................................................................................3iii.八孔管管卡..........................................................................................................3iv.纵向过路盒..................................................................................................................3v.八孔管连接头..............................................................................................................5见纵向过路盒......................................................................................................................5vi.护角......................................................................................................................5见纵向过路盒......................................................................................................................5vii.二孔管管接..........................................................................................................5见纵向过路盒........................................