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应用冷铁,是防止铸件发生缩孔及缩短的有效措施之一,尤其在难加冒口的地方,如铸件的转角处及切面连接交叉处。
Application of cold iron, casting is to prevent shrinkage and shortening of the effective measures, especially in hard-riser places, such as castings corner and cross-section connection.