保鲜库库温一般为0℃～5℃

preservation storage general temperature 0℃～5℃

主要用于鲜肉、乳品、鲜蛋、果蔬等的保鲜，使食品处于较低的温度环境下，而温度又不低于0℃，在这种环境下，食品可以尽可能的保持新鲜。

preservation storage is applied to preservation of meat and dairy, fresh eggs, fruits and vegetables etc. to make the food at a lower temperature, but the temperature is not lower than 0℃. so that it can keep the food fresh as long as possible.

冷藏库库温一般为-15℃～-18℃

refrigerated warehouse general temperature -15℃～-18℃

主要用于食品的冷藏。不定期的将部分食品放入冷库，同时又要不定期的将另一部分食品取出冷库，对食品的冷藏时间没有具体要求，且库温保持在-15℃～-18℃的范围。

速冻库库温一般为-30℃以下

quick-frozen storage temperature below -30℃

主要用于食品的速冻，如速冻肉、速冻水饺、速冻蔬菜等，要求在限定时间内迅速将食品冻结。

mainly applied to the freezing food such as quick-frozen meat, quick-frozen dumpling, and quick-frozen vegetables which should be frozen rapidly in the limited time .

低温库库温一般为-22℃～-25℃

cold-chamber general temperature -22℃～-25℃

主要用于库温在-22℃～-25℃时的食品贮存。只有在这个库温条件下，食品才不会变质。例如冰淇淋储藏时温度高于-25℃，它的香味就没有了，海鲜食品高于这个温度贮存，它的鲜味和口感就差多了。低温库的特点是：不定期的逐步地将食品放入冷库，经过一段时间，对这段时间内的库温没有特殊的要求，冷库的库温达到-25℃，待库内的温度恒定后，对冷库的库温要求非常严格。

mainly applied to food storage at -22℃～-25℃. in this circumstances, the food doesn’t go bad. for example, when the temperature is higher than -25℃,the fragrance of ice cream disappears, so do seafood. with food put into the cold storage aperiodically step by step, after a while, the temperature reaches -25℃, during which period there are no special requirement, but after the temperature is constant, there are strict demands on temperature in the cold storage.