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【多选题】
. 属于低合金钢的钢种有( )。 <1.0分>
A.
Q235
B.
16Mn
C.
H62
D.
15MnTi
E.
Cr17
F.
2Cr13
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A.
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B.
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D.
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A.
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A.
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A.
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B.
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C.
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D.
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E.
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A.
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B.
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C.
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D.
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E.
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