对流式加热机一个部分被封闭。
A partly enclosed, directly heated surface from which warm air circulates by convection.
叙述了远红外辐射性材料的性质及辐射加热机理。
The article discussed the nature of far infrared radiant material and its radian mechanism.
加热单元是包含加热机构和起保护作用的绝缘材料的加热锅。
The heating unit is a heating pan comprising a heating mechanism and insulation for protection.
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