Thursday, October 12, 2023
Sunday, May 21, 2023
Saturday, January 13, 2024
Tuesday, February 6, 2024
问题:非铁元素的还原。脱硫、渗碳,气化反应的主要区域在()A、滴落带B、炉缸渣铁贮存区C、风口带D、燃烧带
Sunday, September 11, 2022
Tuesday, June 6, 2023
Monday, September 12, 2022
问题:目前炼钢过程希望的铁水Si含量一般为多少,铁水硅含量的高低对转炉冶炼会产生什么影响。
Thursday, October 12, 2023
Saturday, January 13, 2024
Tuesday, March 26, 2024
Sunday, December 24, 2023
问题:转炉炼钢前期熔池温度低,有利于()反应A、脱碳B、脱硫C、脱氧D、脱磷
Sunday, September 11, 2022
Wednesday, March 27, 2024
Saturday, January 7, 2023
问题:高炉炉内生铁和熔渣的分离是利用它们的性质不同,这一性质是()A、成分B、数量C、比重D、位置
Monday, September 12, 2022
问题:超高功率电炉的功率级别为()A、200KVA/t以上B、300KVA/t以上C、400KVA/t以上D、500KVA/t以上
Monday, September 12, 2022
Monday, January 2, 2023
Friday, December 9, 2022
问题:氧气炼钢过程铁液中杂质组元氧化以间接氧化为主,主要是因为()A、氧气同熔池接触的表面上大量存在的是铁原子B、氧枪供氧速度不足C、炉渣氧化铁含量低
Monday, January 2, 2023
Monday, January 2, 2023