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30Cr2Ni2MoV

12Gr1MoV 25Cr2MoV 27Cr2MoV 60SiMn2MoV 22Cr12NiwMoV 15CrNi3MoV 07MnNiMoV 5CrNi2MnMoV 37CrNi3MoV 优质CR12MOV

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