| 摘要 |
<p>An energy-saving and heat preservation cooker has a case body made of rigid urethane foam plastic. There is a lid on the case body. A shell made of duroplastic having good adiabatic and ovenproof capability is in the case body. A method of cooking comprises the undermentioned steps: heating the boiler until boiling for a few minutes, then moving the boiler into the case body, and covering the case body with the lid. The food will be cooked.</p> |
