Forced air circulation channel, ensuring the even temperature in the working chamber.
强迫式循环风道，确保工作室温度均匀。
The heating elements were installed at the rear side of the working chamber. Forced horizontal air circulation. fast temperature increase.
加热器按装在工作室背部，水平强迫对流，升温快。
The heating elements were installed at the rear side of the working chamber. Forced horizontal air circulation. fast temperature increase.
加热器按装在工作室背部，水平强迫对流，升温快。
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