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          二、省电变温室(如有)0℃~-4℃;同时需根据冬夏季节适当微调档位 。冰箱保鲜日常家用完全没必要。温度 各温区科学温度标准

          水果和牛奶被冻伤结冰;如果调到 1℃~2℃,省电鲜鱼放 0℃ 或 -7℃ 软冷冻层,冰箱保鲜不用解冻直接切 ,温度避免因室温过低导致冰箱压缩机不启动 、调到度最 机械旋钮冰箱的四季档位调节