苏联铸造专家鉴於第一机械工业部所属各厂在铸造作业上存在着某些质量问题,认为正确地遵守熔化工艺规程首先保证炉料质量和执行冲天炉熔化规范是其中一个关键,但各厂往往忽视这一点。所以特撰文给本刊登载,以引起大家对这问题的重视,希望各厂认真学习贯彻。—编者 Soviet Union Casting Specialists In view of the quality problems found in the foundry operations of the plants owned by the First Ministry of Machine Building Industry, it is one of the key issues to ensure that the correct compliance with the rules of the melting process is to ensure the quality of the charge and to perform the melting of the cupola. However, Ignore this. So special author articles published to the magazine, in order to arouse everyone’s attention to this issue, I hope all the plants to seriously study and implement. -editor