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TES1-12704 TEC1270-14 30*30mm 半导体 制冷片 小型小功率致冷片
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TEC1-12704 40*40MM 12V4A冷藏箱除湿机致冷器半导体致冷片制冷
40*40mm半导体制冷片TEC1-12701/12702/12703/12704/12705/12706
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12V半导体制冷片TEC1-n12703/12704/12705/12706大功率致冷片30*3
