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["自由锻采购价格"]
["序 号","材    质","投标报价（元/KG）"]
[1,"35#"]
[2,"45#"]
[3,"40Cr"]
[4,"42CrMo"]
[5,"35CrMo"]
[6,"40CrNiMo"]
[7,"5CrNiMo"]
[8,"17CrNiMo6"]
[9,"20Cr2Ni4"]

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