| 摘要 |
PURPOSE: A thermos lecture table is provided to offer cool drink through bilayered several warm grooves on the plane of a lecture table and to prevent peripheral devices from being soaked in water. CONSTITUTION: A thermos lecture table has a plurality of warmth keeping groove(20) on the plane of the lecture table(10). The warmth keeping groove is bilayered. The material of a cool keeping groove is stainless. The stainless has strong corrosion resistance. The groove maintains warmth for a long time.
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