在温度条件下操作技术设备。区别在于温度在+ 3°C和+ 8°C之间的新鲜食品条件和低于-18°C的深冻条件
Operation of technical devices and equipment under temperature conditions. To be distinguished are conditions for fresh goods in the temperature range between +3°C and +8°C and deep-freeze conditions below -18°C.
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