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76. 對厚金屬之工作物加工時,下列哪些動作應加潤滑油以潤滑及散熱?(A)鑽孔(B)鋸削(C)銼削(D)絞牙
問題詳情
76. 對厚金屬之工作物加工時,下列哪些動作應加潤滑油以潤滑及散熱?
(A)鑽孔
(B)鋸削
(C)銼削
(D)絞牙
參考答案
答案:A,B,D
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