34. 一般鑽床用來夾持鑽頭的夾具是 (A)三爪連動夾頭(B)四爪單動夾頭(C)鑽帽(D)虎鉗。

問題詳情

34. 一般鑽床用來夾持鑽頭的夾具是
(A)三爪連動夾頭
(B)四爪單動夾頭
(C)鑽帽
(D)虎鉗。

參考答案

答案：A
難度：簡單0.851852
統計：A(23),B(2),C(0),D(2),E(0)

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