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编辑同志:我厂工人同志主张在铁水温度低时加一些铅,可以提高流动性,我们不知道是否可以,请详细答复。
Editor’s Comrade: Our factory workers comrades advocate adding some lead when the temperature of molten iron is low, which can improve the liquidity. We do not know whether it is possible or not, please reply in detail.