For the defects such as dead zone and shrinkage cavity in conventional extrusion process,an inner cone punch was proposed to improve the metal flow behavior.是什么意思_For the defects such as dead zone and shrinkage cavity in conventional extrusion process,an inner cone punch was proposed to improve the metal flow behavior.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句