Wednesday, August 30, 2023
Sunday, September 11, 2022
问题:炼钢用生铁中L08铁的含硅量是()。A、≤0.45%B、0.45-0.85%C、0.95-1.25%...
Wednesday, April 12, 2023
问题:现有一批烧结矿,其筛分指数测定结果为5%,如以筛分指数进行判断,该批烧结矿为()。A、一级品B、二级品C、出格品...
Wednesday, April 2, 2025
Wednesday, December 11, 2024
问题:生铁含硅()为18号铸造铁。A、2.1%B、1.65%C、1.59%...
Monday, July 24, 2023
问题:某高炉日产生铁960T其中合格铁800T,一级品生铁430T,请...
Monday, September 12, 2022
Sunday, September 11, 2022
Wednesday, August 14, 2024
问题:提高铁矿产品品位及降低焦炭()是降低入炉料SiO2含量的主要途径。A、灰分B、硫份C、水分D、粒度...
Tuesday, December 5, 2023
Friday, January 31, 2025
问题:简述焦炭按生产方法如何分类,并说明何种焦炭更适合用于高炉冶炼。...
Monday, June 23, 2025
Sunday, September 11, 2022
Monday, September 12, 2022
问题:烧结矿转鼓机的内宽为()。A、500mmB、700mmC、800mmD、1000mm...
Friday, April 11, 2025
Monday, September 12, 2022
问题:一高炉日检验生铁1200吨,消耗焦炭400吨,已知焦炭水分为3....
Sunday, September 11, 2022
Monday, February 17, 2025
问题:结晶器液面波动,发生表面纵裂的几率()。A、增加B、减少C、不变...
Monday, October 31, 2022
问题:烧结料中配加()过高,会使FeO升高、还原性变差。...
Monday, September 12, 2022