The practical results of rolling 7 angle steel sLow that using open slitting pass rolling angle steel make stick flat, increase the production 5% on one pass and decrease the motor load.是什么意思_The practical results of rolling 7 angle steel sLow that using open slitting pass rolling angle steel make stick flat, increase the production 5% on one pass and decrease the motor load.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句