论文部分内容阅读
美国《现代铸造》(“Modern Casting”),每年进行一次公布世界铸件产量年度统计报告,统计报告是由36个国家和地区的铸造组织提供铸件产量调查的报
The United States “Modern Casting” (“Modern Casting”), annual annual world castings released a statistical report released by the casting of castings in 36 countries and regions to provide castings survey