With an increase in extrusion ratio, the extend of fining grain intensify and the size of grain changes, and hence the yield strength and brinell hardness increase.是什么意思_With an increase in extrusion ratio, the extend of fining grain intensify and the size of grain changes, and hence the yield strength and brinell hardness increase.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句