단상 위상 변환 SCR 트리거 플레이트 플립 플롭 정류기 전압 제어 온도 제어 가열 속도 제어 SCR-D

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1.5L Electric Lunch Box，40-60W,12V-24V, Portable Food Warmer for Car or Home, Lunch Heating

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1500ML Cartoon Lunch Box Portable Rectangular Kids Students Office Benton Box Leakproof Food Container Microwave Oven Tableware

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WORTHBUY Portable Plastic Lunch Box With Compartment Microwave Safe Fruit Salad Lunch Container Kid Student Leak-proof Bento Box