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本文通过试验研究，揭示了粗粒度砂轮在高速精细修整条件下，表面轮廓支承率的变化规律并建立了经验公式。
In this paper, through experiments and experiments, the variation rule of the surface profile support rate of the coarse-grained grinding wheel under high-speed fine trimming conditions is revealed and an empirical formula is established.