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[求助] 拉裂率达50%,以前压都没出现这种情况。师傅们有知道这是怎么情况导致的吗, |
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特种焊机,压铸,冲压,注塑模具,铸造产品修复的福音!
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专业解决各种模具粘模,腐蚀,增加硬度,耐磨,耐高温等问题。
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铸就辉煌
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