4524合成冷冻机油
synthetic refrigeration oil 4524
氨气吸收冷冻机
ammonia absorption refrigerating machine
氨气压缩冷冻机
ammonia compression refrigerator
氨吸收冷冻机
ammonia absorption refrigerator
半导体冷冻
Semiconductor refrigeration
半导体冷冻白内障吸出器
semiconductor cataract freezing extractor
半导体冷冻切片机
semiconductor freezing microtome
半封密冷冻压缩机装置
semi-hermetic refrigerating compressor unit
闭合循环冷冻机
closed cycle refrigerator
闭合循环冷冻器
closed-cycle refrigerator