题目内容
钢的含碳量一般在
[ ]
A.2.11%~4.30% |
B.0.03%~2.11% |
C.低于0.03% |
D.高于2.11% |
答案:B
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|
钢的含碳量一般在
[ ]
A .2.11%~4.30% |
B .0.03%~2.11% |
C .低于0.03% |
D .高于2.11% |
题目内容
钢的含碳量一般在
[ ]
A.2.11%~4.30% |
B.0.03%~2.11% |
C.低于0.03% |
D.高于2.11% |
|
钢的含碳量一般在
[ ]
A .2.11%~4.30% |
B .0.03%~2.11% |
C .低于0.03% |
D .高于2.11% |