問題詳情
48.使用精密車床做兩頂心間之車削工作，一般採用哪種工具牽引工件旋轉？
(A)彈簧套筒
(B)三爪連動夾頭
(C)雞心夾頭
(D)四爪單動夾頭
(A)彈簧套筒
(B)三爪連動夾頭
(C)雞心夾頭
(D)四爪單動夾頭
參考答案
答案：C
難度：適中0.673789
統計：A(47),B(137),C(473),D(45),E(0)
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