19 研磨加工中研磨比(Grinding ratio)定義為被加工件材料移除體積與下列那一選項的比值?
(A)研磨輪進給率(feed rate)
(B)研磨輪轉速(rotating speed)
(C)研磨輪磨耗(wheel wear)
(D)研磨輪切削深度(depth of cut)
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統計: A(365), B(101), C(692), D(126), E(0) #2018621
統計: A(365), B(101), C(692), D(126), E(0) #2018621