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Tone Aluminium Heat Diffuse Heat Sink Cooling Fin 120x100x18
16x100*120x18x18x40x80*冷拉扁钢的方钢扁铁方铁条型材平键冷拔
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UKS氟胶骨架油封65x68x70x80x88
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45号扁条Q235扁钢45#扁铁A3方钢16*100x110x120x18*18x20x22X30mm