This paper surveys the new development in the research of casting penetration technology in the world since 1990s.

回顾了90年代以来国内外铸渗工艺研究取得的新进展；

youdao

This paper surveys the new development in the research of casting penetration technology in the world since 1990s.

回顾了90年代以来国内外铸渗工艺研究取得的新进展；

youdao