Sunday, September 11, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022
问题:包钢喷煤制粉系统工艺特点:具有()操作,一次(一级)收尘方式等优点。
Monday, September 12, 2022
问题:中速磨具有设备投资高,结构复杂,对煤质要求严格,密封性好,耗电量低,运行平稳,噪音()等特点。
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, May 12, 2024
Wednesday, September 14, 2022
Thursday, January 11, 2024
Sunday, September 11, 2022
问题:用氧气烧铁口,开氧气时应()。A、先大后小B、先小后大C、维持不变
Sunday, September 11, 2022
Saturday, September 17, 2022
问题:当焦炭含硫±0.1%,影响焦比1.5—2%,影响产量()%。A、0.5—1.0B、1.0—1.5C、1.5—2.0D、2.0—2.5
Thursday, March 14, 2024
Sunday, September 11, 2022
问题:保持铁口的正常深度是铁口维护的()。A、条件B、一个环节C、关键
Sunday, September 11, 2022
Monday, September 12, 2022
问题:计算题:某小高炉当月共生产炼钢生铁3360t,全月消耗焦炭1610t,(其中焦炭水份为4%),求该高炉当月入炉焦比?
Sunday, September 11, 2022
Monday, June 12, 2023
Sunday, September 11, 2022
Monday, March 6, 2023