問題詳情

52、 At which angle of a crystal direction to the applied load may a slip along it not take place?
(A) 30°
(B) 45°
(C) 60°
(D) 90°

參考答案

答案：A,B,C,D
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)