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[主观题]
现有下列钢号:①Q235;②W18Cr4V;③5CrNiMo;④60Si2Mn;⑤ZGMn13;⑥Q345(16Mn) ⑦1Cr13;⑧20CrMnTi;⑨9SiCr;⑩1Cr18Ni9T
现有下列钢号:①Q235;②W18Cr4V;③5CrNiMo;④60Si2Mn;⑤ZGMn13;⑥Q345(16Mn) ⑦1Cr13;⑧20CrMnTi;⑨9SiCr;⑩1Cr18Ni9Ti;T12;
40Cr;
GCr15;
Cr12MoV;
12Cr1MoV。
请按用途选择钢号:
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