P:2025-06-02 16:00:27
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XL – a thermoset compound whose characteristic constituent is cross-linked polyethylene, cross-linked polyvinyl chloride, cross-linked ethylene vinyl acetate, or blends thereof.这是标准中的说明
steel buried type optical indoor cable - 钢丝埋入式户内光缆(四根支承钢丝埋设在PVC护套内) (0) 投诉