In order to save energy, when refrigeration system using water frozen water units + free cooling system, have refrigeration, precooling, free cooling three operating mode.
为了节约能源,当制冷系统采用水冷冷冻水机组+自由冷却系统时,有制冷、预冷、自由冷却三种运行模式。
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The experimental results show that these factors including frozen storage temperature, additives, mode of shucking and ice glazing are important to well keep quality of quick frozen mussels.