论文部分内容阅读
上海压铸协会与全国铸造学会特种铸造及有色合金专业委员会一起于1986年12月18～20日在上海召开上海压铸协会第四届学术年会。来自全国16个
Shanghai Die Casting Association and the National Foundry Society special casting and non-ferrous alloy Professional Committee together in December 1986 December 18 ~ 20 Shanghai Die Casting Association held its fourth academic annual meeting. From the country 16