我七、八岁时，常常看到父亲将一把稻草扔进火炉烧成灰籍以查看火候后，把烧得滚烫通红的铁水倒进模型，几分钟后将模盖揭开，一张红朗朗的崭新铧片呈现了出来!但是，铁水的高温把模型的表面烧得坑坑凹凹，要做下一张铧就必须修复。
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