In order to determine influence of ventilation mode on dust distribution on fully mechanized heading face and explore dust reduction effect under different ventilation modes. the 209 fully mechanized heading face of Longde Coal Mine was taken as research object. and the software of FLUENT was used to simulate distribution of dust in the roadway and dust distribution law and dust reduc... https://www.roneverhart.com/Dixon-PSN-7-70-Series-Double-Braced-Round-Drum-Throne-Black-Vinyl/