论文部分内容阅读
由机械工业部沈阳铸造研究所承担的“8TB—9型钛泵铸件的熔铸工艺研究”课题已经通过技术鉴定.
By the Ministry of Machinery Industry, Shenyang Institute of Foundry bear “8TB-9 titanium casting process of casting casting” subject has passed the technical appraisal.