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说明:牡丹江地区铸造质量检查团对牡丹江市和林口县、宁安县等八县以及绥芬河区共三十四个铸造量较大的单位进行了铸件质量检查。在检查中发现海林县海南公社农机修配厂和牡丹江先锋机械厂利用电石作变质剂,对提高铸件质量起到了良好作用。地区铸造质量检查团的老工人和技术人员对此项经验又进行了反复试验和研究,现将他们调查研究和试验后的看法和意见转载如下,供同志们参考。
Description: The Mudanjiang Casting Quality Inspection Team inspected a total of 34 casting units in eight counties in Mudanjiang and Linku County, Ning’an County, and Suifenhe District, with a larger amount of castings. Hailin County, Hainan commune in the inspection found that agricultural machinery repair shop and Mudanjiang Pioneer Machinery Plant carbide as a modifier to improve the quality of castings played a good role. The experience and experience of the foundry quality inspection teams have been repeatedly tested and researched. The opinions and opinions of the surveyed and tested people are reproduced below for reference by the comrades.