Because of the large expansion ratio of liquid to gas with cryogenic liquids, it is very important to provide adequate ventilation where cryogenic liquids are stored and used.
因为液体到气体的大膨胀率，为正在使用液氧的地方提供充分的通风非常重要。
Because of the large expansion ratio of liquid to gas with cryogenic liquids, it is very important to provide adequate ventilation where cryogenic liquids are stored and used.
因为液体到气体的大膨胀率，为正在使用液氧的地方提供充分的通风非常重要。
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