Trace alloy elements added improve its plasticity,longitudinal,and transverse toughness,and machinability.The satisfying results has been obtained for forging dies.是什么意思_Trace alloy elements added improve its plasticity,longitudinal,and transverse toughness,and machinability.The satisfying results has been obtained for forging dies.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句