The newest research direction about pulse tube refrigerator is multi - stage cryocooler driven by valveless compressor.

介绍了国外最新开展的关于脉冲管制冷机的研究方向:无阀压缩机驱动的 多级 脉冲管制冷机.

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The system uses a pulse - tube mechanical cryocooler, eliminating the need for liquid cryogens.

该系统使用脉管式机械冷却器, 无需液体制冷剂.

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