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W6Mo5Cr4V2是下面哪一类刀具材料？

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W6Mo5Cr4V2是下面哪一类刀具材料？

A.钨系高速钢

B.钨钼系高速钢

C.合金工具钢

D.硬质合金

参考答案:

答案：钨钼系高速钢

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