| 摘要 |
PURPOSE: A warm-keeping cup is provided to indirectly conduct heat using electricity and perform warm keeping function. CONSTITUTION: A warm-keeping cup comprises a heating device(4) which is spirally formed at the upper end of support(2); a power lamp(5) which is able to confirm power state of the heating device; and a control switch which is able to control temperature of beverage to strong, weak or off. |
