用液氮快速冻结食品是保鲜新技术之一。
Deepfreezing food by using liquid nitrogen is a new effective method to keep it fresh.
适用于水产、果蔬、面食、分割肉等食品的快速冻结。
Suit rapid freezing of fruits, vegetable, water food, noodle and flesh pieces.
冷却冻结机的作用是将食品降温快速冻结，达到低温冷藏入库的要求。
The machine is cooling frozen food achieve rapid freezing temperature of cryogenic storage requirements.
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