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| 白心可锻铸铁 (Whiteheart malleable iron is produced by packing the castings in iron boxes with iron oxide and heating them for two days at 900 ~ 950°C. 白心可锻铸铁是通过将铸件装人盛有铁氧化物的铁箱中在 900 ~ 950°C 的温度下加热两天制得的6) | |||
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