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YR YZR132M160ML180L225M250 280S80 140 315S355M200L电机用滑环
厂家YZR132M160ML180L225M250 280S80 140 315S355M200L电机铜头
YZR132M160ML180L225M250 280S140 315S355M200L电机铜套头滑环