A series of flanged and multi-angle U-shaped parts were designed in allusion to influences on springback by multi-angle to conduct punching experiments.是什么意思_A series of flanged and multi-angle U-shaped parts were designed in allusion to influences on springback by multi-angle to conduct punching experiments.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句