%0 Journal Article %T Simulation and Test of Spindle Mode of Planetary Variable Speed Device %A Zhang, Qiang %A Li, Shenlong %A He, Rong %A Li, Hongwu %J IOP Conference Series Earth and Environmental Science %V 632 %N 4 %P 6 %@ 1755-1307 %D 2021-01-14 %~ DeepDyve