红包出钢优点包括()。 A.降低出钢温 B.防止回磷 C.钢水温度波动小 D.提高炉 发布时间:2020-06-02 15:43 │ 来源:www.tikuol.com 题型:多项选择题 问题: 红包出钢优点包括()。A.降低出钢温B.防止回磷C.钢水温度波动小D.提高炉龄E.提高铸坯质量
题型:多项选择题 It is a great pity that the band which Jack was a member of ____ after 26 years of playing together on stage. A.broke upB.put upC.sent upD.took up 查看答案