Forming of thin wall spherical parts is always a difficult point of sheet metal working technology.This paper presentsa new method for the large extra thin wall spherical parts forming technology.是什么意思_Forming of thin wall spherical parts is always a difficult point of sheet metal working technology.This paper presentsa new method for the large extra thin wall spherical parts forming technology.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句