|  楼主: kemin8 | [求助] 新买的模具,没用多久就龟裂那什么方面出现有问题? | 
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| 压铸模具钢  宝钢 德国葛利兹  日本大同 | |
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| 压铸模具钢  宝钢 德国葛利兹  日本大同 | |
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