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1日本钛产业概况日本从1952年成功制成海绵钛至今,已拥有完整的钛产业链,其产业结构合理,技术先进,成本
1 Japan Titanium Industry Overview Japan has successfully made titanium sponge from 1952 so far, it has a complete titanium industry chain, its industrial structure is reasonable, advanced technology and cost