Low-frequency cables with polyolefin insulation and moisturebarrier polyolefin sheath. Part 2: Unit type, filled, moisture barrier polyethylene sheathed cables with copper conductors and solid or cellular insulation

• 聚烯烃绝缘和带聚烯烃防潮层护套的低频电缆。第2部分:组合式、有填充、固体或泡沫绝缘的聚乙烯防潮护套铜导