To all the regenerative refrigerators, to control the phase angle between the pressure and the volumetric velocity is pivotal to attaining satisfactory refrigeration effect.
对所有的回热式低温制冷机，压力波与质量流之间的相位控制是达到制冷效果的关键。
To all the regenerative refrigerators, to control the phase angle between the pressure and the volumetric velocity is pivotal to attaining satisfactory refrigeration effect.
对所有的回热式低温制冷机，压力波与质量流之间的相位控制是达到制冷效果的关键。
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