303012706制冷片妍东30*30温差半导体12V致冷片TES1-12706电流6A

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制冷片 12V大功率 半导体制冷片 TEC1-12706-12710-12705-12703

制冷片 12V大功率 半导体制冷片 TEC1-12706-12710-12705-12703

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TEC1-12706 03 04 05 08 09 10 15半导体制冷片饮水机制冷片40*40

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