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。
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。
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