下列金属材料淬硬性由高到低排列顺序正确的是:
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下列金属材料淬硬性由高到低排列顺序正确的是:
A.20CrMnTi;40Cr;T10
B.T10;20CrMnTi;40Cr
C.T10;40Cr;20CrMnTi
D.40Cr;20CrMnTi;T10
参考答案:
下列金属材料淬硬性由高到低排列顺序正确的是:
A.20CrMnTi;40Cr;T10
B.T10;20CrMnTi;40Cr
C.T10;40Cr;20CrMnTi
D.40Cr;20CrMnTi;T10
参考答案: