求翻译：这样既可以防止热电元件的氧化和腐蚀，提高电绝缘性能，又加强热电元件与周围空气的绝热，减少因为冷、热量损失而引起的效率下降。是什么意思？

This is to prevent oxidation and corrosion of the thermoelectric elements, improve the electrical insulation properties, but also enhance the thermal insulation of the thermoelectric element with the surrounding air and reduce the cold, heat loss due to reduced efficiency.

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正在翻译，请等待...

This can prevent oxidation and corrosion of thermoelectric elements, electrical insulation properties, and strengthening of air around the heating element and thermal insulation, reduced efficiency caused by cold, heat loss and decline.

正在翻译，请等待...