問題詳情
37. Grinding ratio is defined as the proportion between volume of wheel wear and which one of the followingitem:
(A)feed rate,
(B) depth of grinding,
(C) rotating speed,
(D) width of grinding, or
(E) volume of materialremoved?
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增