GB/T 2951.13-2008
ActiveCommon test methods for insulating and sheathing materials of electric and optical cables - Part 13:Methods for general application - Measurement for determining the density - Water absorption tests - Shrinkage test
电缆和光缆绝缘和护套材料通用试验方法 第13部分: 通用试验方法 密度测定方法 吸水试验 收缩试验