問題詳情
39.根據國際標準(ISO)的車刀刀片代碼，其材質可分爲K、P、M、N、S、H等六大類，請問最適宜車削硬化材料 的是哪一類車刀？
(A)K
(B)M
(C)S
(D)H
(A)K
(B)M
(C)S
(D)H
參考答案
答案：D
難度：適中0.488856
統計：A(189),B(89),C(66),D(329),E(0)
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