低温冷冻是保藏食品最简便的办法。

Deep freezing is the simplest way of preserving food.

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深冻是保藏食品最简便的办法。

Deep freezing is the simplest way of preserving food.

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深冻是保藏食品最简便的方法。

Deep freezing is the simplest way of preserving food.

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热天很难保藏食品，使之保持新鲜与食用安全。

In hot weather it is rather difficult to preserve food and keep it fresh and safe to eat.

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栅栏技术是食品保藏的根本所在。

Hurdle technology is the essential events of food preservation.

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栅栏技术是食品保藏的根本所在。

Hurdle technology is the essential events of food preservation.

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