随着技术革新和技术革命的不断深入,我国人民征服技术落后的全民大进军已经开始了。在党的破除迷信,解放思想的光辉照耀下,为了解决铜材供不应求问题,促进生产的不断增长,我们进行了以铝合金代替铜合制造制氧机上阀体的研究。在厂党委的正确领导下,工厂铸铜车间、锻冶科、研究室及浙江大学铸工专业师生大搞厂内外三结合,经过一个月的苦 With the continuous deepening of technological innovations and technological revolutions, the people of our country have begun to conquer the backward people-to-people advancement that has lagged behind in technology. Under the light of the Party’s superstition and emancipation of the mind, in order to solve the problem of short supply of copper and promote the continuous growth of production, we conducted a research on manufacturing the valve body of the oxygen generator by using aluminum alloy instead of copper alloy. Under the correct leadership of the factory party committee, the plant copper shop, forging branch, laboratory and Zhejiang University castings professional teachers and students big three inside and outside the plant, after a month of bitter