問題詳情
5.下列何種螺紋具有較佳之防止流體洩漏功用？
(A)錐管螺紋
(B)梯形螺紋
(C)圓螺紋
(D)愛克姆螺紋
(A)錐管螺紋
(B)梯形螺紋
(C)圓螺紋
(D)愛克姆螺紋
參考答案
答案：A
難度：適中0.597561
統計：A(49),B(4),C(7),D(12),E(0)
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