合肥市机械系统铸造战线的广大职工,以阶级斗争为纲,坚持“革新、改造、挖潜”的方针,努力提商铸件质量,节约焦炭和改善操作条件,推动了铸造生产的不断发展。机械系统从1975年七月以来,狠抓了冲天 Hefei Machinery System cast front of the broad masses of workers and workers, with class struggle as the key link, adhere to the “innovation, transformation, tapping potential” approach, strive to negotiate the quality of castings, coke and improve operating conditions, and promote the continuous development of casting production. Mechanical systems from July 1975, pay close attention to the sky