單項選擇題奧氏體在727℃時含碳量(C%)是()

A.C%=2.11%
B.C%=0.77%
C.C%=4.3%
D.C%=6.69%


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1.單項選擇題奧氏體在1148℃時含碳量(C%)是()

A.C%=2.11%
B.C%=1.3%
C.C%=4.3%
D.C%=6.69%

2.單項選擇題萊氏體(Ld)的含碳量(C%)是()

A.C%=0.78%
B.C%=1.3%
C.C%=4.3%
D.C%=6.69%

3.單項選擇題珠光體(P)的含碳量(C%)是()

A.C%=0.78%
B.C%=0.77%
C.C%=4.3%
D.C%=6.69%

4.單項選擇題Fe3C的含碳量(C%)是()

A.C%=0.78%
B.C%=1.3%
C.C%=4.3%
D.C%=6.69%