The structure of columnar crystals is observed for billets cast without M-EMS,and equiaxed structure for billets cast with M-EMS,in which SDAS decreases obviously with increase of stirring current.是什么意思_The structure of columnar crystals is observed for billets cast without M-EMS,and equiaxed structure for billets cast with M-EMS,in which SDAS decreases obviously with increase of stirring current.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句