求翻译：power supply flexible cord 的耐用性，不应低于普通耐磨橡胶护套flexible cord （GB5013.1中的规定）或普通聚氯乙烯护套flexible cord （GB5023.1中的规定）的要求。是什么意思？

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flexible power supply cord of durability, should not be less than normal wear rubber sheath GB flexible cord (013.1 ) or in the ordinary PVC sheath GB flexible cord (023.1 ) in the request.

The power supply flexible cord durability, should not be lower than ordinary wear-resisting rubber protective covering flexible cord (in the GB5013.1 stipulation) or ordinary polyvinyl-chloride protective covering flexible cord (in the GB5023.1 stipulation) request.

Power supply of the flexible cord durability, no less than ordinary wear-resistant rubber sheathed flexible cord (set forth in GB5013.1) or ordinary PVC sheathed flexible cord (GB5023.1 regulations) requirements.

Balanced wire of the electric potential