吸尘室，超低温工业冷冻机。
本发明提供一种低温工作物品的冷却装置，具有冷冻机和设在该冷 冻机上的冷却头。
A cooling apparatus for articles operated at low temperatures comprises a refrigerating machine and a cold head provided in the refrigerating machine.
本发明提供一种低温工作物品的冷却装置，具有冷冻机和设在该冷 冻机上的冷却头。
A cooling apparatus for articles operated at low temperatures comprises a refrigerating machine and a cold head provided in the refrigerating machine.
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