DESIGN AND EXPERIMENTAL STUDY OF A SINGLE LONGITUDINAL AXIAL FLOW THRESHING AND SEPARATION DEVICE WITH COMBINED RASP-BAR AND NAILTOOTH THRESHING ELEMENTS FOR MILLET. - ZHANG, Jun-hui; YI, Shu-juan; ZHANG, Dong-ming; YI, Tian-min (INMATEH - Agricultural Engineering, 2025)