问题:耐火材料的热学性能包括()、热膨胀系数、()、()、导温系数、热...
Sunday, September 11, 2022
Monday, February 17, 2025
问题:烧结矿转鼓机的内宽为()。A、500mmB、700mmC、800mmD、1000mm...
Friday, April 11, 2025
问题:保护浇注方法有气体保护法、液体保护法、()、()。...
Sunday, September 11, 2022
Thursday, September 19, 2024
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
Wednesday, March 15, 2023
Sunday, September 11, 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
问题:简述对35转炉用废钢中螺纹钢、圆钢、中小直径钢管、轻薄料、线材轧废及渣钢的尺寸要求。...
Friday, June 27, 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
Friday, January 31, 2025
Monday, September 12, 2022
Friday, November 15, 2024
Sunday, September 11, 2022
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
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
问题:铁合金大样是由组成一批供货的铁合金中,取得的所有()组成的混合物。...
Monday, February 17, 2025