The residual deleterious elements in steel lead to the products occurring red surface brittleness crack and temper brittleness,and lead to the hot strength of heat resistant steel decreasing.是什么意思_The residual deleterious elements in steel lead to the products occurring red surface brittleness crack and temper brittleness,and lead to the hot strength of heat resistant steel decreasing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句