Introducting a gear billet forming die carrier structure used on friction press for no fash forming discusses die carrier guide ,ejector pins and main elements selection of materials,heat treatment.是什么意思_Introducting a gear billet forming die carrier structure used on friction press for no fash forming discusses die carrier guide ,ejector pins and main elements selection of materials,heat treatment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句