Maximum and minimum critical rates of deformation in open die extrusion are discussed on the basis of the slip field theory and the upper bound theory of plane state plastic deformation.是什么意思_Maximum and minimum critical rates of deformation in open die extrusion are discussed on the basis of the slip field theory and the upper bound theory of plane state plastic deformation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句