下列金属材料淬透性由高到低排列顺序正确的是:
下列金属材料淬透性由高到低排列顺序正确的是:
A.20CrMnTi,40Cr,T10
B.40Cr,20CrMnTi,T10
C.20CrMnTi,T10,40Cr
D.T10,20CrMnTi,40Cr
正确答案:A
下列金属材料淬透性由高到低排列顺序正确的是:
A.20CrMnTi,40Cr,T10
B.40Cr,20CrMnTi,T10
C.20CrMnTi,T10,40Cr
D.T10,20CrMnTi,40Cr
正确答案:A
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