The method and the device enable the materials to be dried to move to and fro from the drying roller to the sleeve, prolong the time of the material in the drying device and fully dry the material.
本发明使待烘干的物料经烘干滚筒至套筒往返移动，延长物料在烘干装置的时间，使物料得到充分干燥。
The method and the device enable the materials to be dried to move to and fro from the drying roller to the sleeve, prolong the time of the material in the drying device and fully dry the material.
本发明使待烘干的物料经烘干滚筒至套筒往返移动，延长物料在烘干装置的时间，使物料得到充分干燥。
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