伟大的无产阶级文化大革命,彻底冲垮了修正主义企业管理,摧毁了套在工人身上的精神枷锁,解放了劳动生产力,广大革命工人高举“鞍钢宪法”的旗帜,突出无产阶级政治,大搞技术革新。上海工程机械厂职工在厂党委的直接领导下,建立了三结合的技术革新小组,经过反复实践,反复试验,从失败中总结教训,抓住主要矛盾,终于解决了“方牙导向差的主要问题”。使双头方牙左旋螺纹丝 The great proletarian cultural revolution completely ransacked revisionist enterprise management, destroyed the mental shackles placed on workers, and liberated labor productivity. The vast number of revolutionary workers held high the banner of the “Anshan Iron and Steel Constitution”, highlighted proletarian politics, and engaged in technological innovation. . Under the direct leadership of the party committee of the factory, employees of the Shanghai Construction Machinery Factory established a three-combination technology innovation team. After repeated practice and repeated trials, they learned lessons from failures, seized the main contradictions, and finally solved the main problem of poorly-oriented guidance. problem". To make double-headed square teeth with left-hand thread