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自去年中央第一机械部举办的翻砂研究班结束后,山东办事处和山东省工会联合会五金工会为了进一步发展铸造工作,深入贯彻翻砂研究班所学得的资料,曾在今年一月间到山东各厂了解各地的铸造工作情况,经反复研究并结合山东具体情况决定在四月九日到四月二十一日召开铸造研究交流会议,先从改进冲天炉工作并结合
Since last year, the First Machinery Department of the Central Committee organized by turning sand after the end of the Shandong Office and the Shandong Provincial Federation of Trade Unions Hardware Union in order to further develop the foundry work, thoroughly implement the sand study course learned information, in January of this year to Shandong factories understand the casting work around the situation, after repeated studies and combined with the specific situation in Shandong decided to hold a casting research exchange meeting April 9 to April 21, the first combination of work to improve the cupola