In order to simplify structure of drier and save energy, the circulating drier with far infrared Electro-thermal tube inside was designed.

为了简化烘干机的结构，节约能源，设计了内置远红外电热管循环式烘干机。

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Based on experiment method, two drying technologies named constant low temperature drying and variable temperature drying were experimented on a batch type circulating paddy drier.

在分批循环式稻谷干燥机上试验了低恒温干燥和变温干燥两种干燥工艺。

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