加制马铁的制造生产,在党和行政的大力支持下,以及铸工车间工人和技术人员的不断努力,克服了很多困难,找出了改进质量的途径,于一九五三年投入生产。但由于热处理操作存在问题,质量方面经常波动,在一九五四年下半年经东北工学院许冶 The production and manufacture of the additional horse iron, with the strong support of the party and the administration, and the continuous efforts of the foundry workers and technicians, overcame many difficulties and found ways to improve the quality. The project was put into production in 1953. However, due to problems with heat treatment operations, the quality often fluctuated. In the second half of 1954, Xu Dongye