()is one of the principal alloying elements in stainless steels, and one major constituent in superalloys.
()is one of the principal alloying elements in stainless steels, and one major constituent in superalloys.
A.Chromium
B.Nickle
C.Molybdenum
D.Titanium
正确答案:Nickle
Tag:材料导论
时间:2021-12-31 13:05:11