本机使用蒸汽来创建真空，并通过密封容器来防止空气和湿气进入。广泛应用于食品加工、餐饮业、家庭厨房和实验室等领域。可以用于封水果罐头、调味酱、坚果、咖啡豆、粉末、药品等各种食品和物品。

     The machine uses steam to create a vacuum and seals the container to prevent air and moisture from entering. It is used in food processing, catering, home kitchens and laboratories. It can be used to seal various foods and items such as canned fruits, sauces, nuts, coffee beans, powders, medicines, etc.