問題詳情
50. Which of the following characteristic NOT belongs to cemented or sintered carbides:
(A) highhardness over a wide range of temperatures,
(B) high elastic modulus,
(C) low thermal conductivity,
(D)versatile,
(E) Low thermal expansion?
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增