微型制冷技术 miniature refrigerating technology
微型制冷器 miniature refrigerator
相变制冷 refrigeration change of phase
相变制冷器 refrigerator change of phase
制冷式杜瓦瓶 refrigerating-Dewarvessel
液氮双相传输制冷器 liquid nitrogen two-phase flow refrigerator
固体制冷器 solid refrigerator