問題詳情
1. CNS 規定之表面粗糙度 Ra 為
(A)中心線平均粗糙度
(B)十點平均粗糙度
(C)最大表面粗糙度
(D)四點平均粗糙度。
(A)中心線平均粗糙度
(B)十點平均粗糙度
(C)最大表面粗糙度
(D)四點平均粗糙度。
參考答案
無參考答案
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