基本解释[动力与电气工程]电缆外护层英汉例句双语例句It clarifies that the new type of material is a ideal material which is used at the protective covering of the special cable and optical cable.并且阐明了这种新型材料是用于特种电缆和光缆护套的理想材料。protective covering of cable更多例句专业释义动力与电气工程电缆外护层