短語(yǔ)詞組短語(yǔ)cryogenic c refrigerator 低溫致冷器micro -cryogenic refrigerator 微型致冷器regenerative cryogenic refrigerator 回?zé)崾綒怏w制冷機(jī)closed cycle cryogenic refrigerator 閉合循環(huán)致冷器closed -cycle cryogenic refrigerator 閉合循環(huán)致冷器 返回 cryogenic refrigerator