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制动电阻 波纹线绕电阻器CRRB 750W阻值齐全质量保证厂家直销功率制动刹车电阻波纹线绕负载变频器电阻伺服电机放电再生
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现货供应CRRL150W 20欧 ±5%铝壳电阻 厂家直销大功率波纹线绕负载变频器制动刹车电阻300W400W500W1
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