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5116| 52
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[求助] 消失模球铁球化不良,求解 |
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点评
准确.
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点评
肯定是正解
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点评
应从加快凝固速度上想办法,还有从合金上想办法不让其衰退。
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点评
这RuT做的刚刚的,蠕化率差不多90%了
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点评
坛里高人众多,不敢轻言,只是建议。
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