OPTIMAL LONGITUDINAL PROFILE CURVE AND TAPER CURVE OF THE BILLET AND ROUND MOLD FOR HIGH SPEED CONTINUOUS CASTING是什么意思_OPTIMAL LONGITUDINAL PROFILE CURVE AND TAPER CURVE OF THE BILLET AND ROUND MOLD FOR HIGH SPEED CONTINUOUS CASTING在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句