| 摘要 |
PURPOSE: A pressure-increased pressure cooker is provided to reduce a cooking period of time and to enable hard bone to be easily cooked since food can be cooked over an altitude of 5,000meters by increasing the inner pressure by the pumping of air. CONSTITUTION: A pressure-increased pressure cooker comprises a manual pump(101), a pressure gauge(102), and a dual valve. Air is pumped up using the handle of the manual pump to increase the inner pressure. The pressure gauge measures appropriate air pressure so that air over or under the appropriate air pressure is not injected. The dual valve prevents a foreign material from entering.
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