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4
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40CR CR12圆棒P20 DC53模具钢材SKD11 S136 H13圆钢9CR18MOV钢板
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40CR CR12圆棒P20 DC53模具钢材SKD11 S136 H13圆钢9CR18MOV钢
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P20 CR12 H13 40CR S136 圆棒 DC53模具钢材SKD11 9CR18MOV45号s
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模具钢材 淬火料 模具钢DC53热处理到60 模具材料 DC53硬料 62度
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D2圆棒 SKD11 H13 SKD61 4CR13 模具钢材DC53 S136H 718H CR12MOV
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9Cr18Mo 模具钢材DC53 H13 S136 Cr12MO1V1 718H圆棒2cr13c SKD61
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模具钢材DC53SKD11718HCR12圆棒P20s136h13圆钢9CR18MOV钢板
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模具钢材SKD11现货CR12MOV钢板DC5342crmo零锯H13圆钢P20材料圆棒
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