Monday, September 12, 2022
Sunday, October 27, 2024
Monday, August 21, 2023
Sunday, September 11, 2022
Monday, February 17, 2025
问题:粒度范围为0~2mm的普通电极为()A、Φ275B、Φ350C、Φ500D、Φ600
Tuesday, July 25, 2023
Sunday, September 11, 2022
问题:铁贫矿粉精选的目地是为了提高()去铁杂质满足炼铁要求。
Monday, September 25, 2023
问题:生石灰是石灰石经过高温煅烧后的产品,其主要成份是()。A、氧化钙B、氢氧化钙C、碳酸钙
Wednesday, February 14, 2024
问题:在一定真空度条件下,烧结料层透气性用单位时内通过单位烧结面积料层的()表示。
Sunday, October 27, 2024
问题:钢渣中有害杂质最多的是()。A、S、PB、AsC、PbD、K
Wednesday, February 14, 2024
Monday, September 23, 2024
Tuesday, April 9, 2024
问题:下列烧结方法对消除过湿层水分过大效果最为明显的是()。A、小球烧结B、富氧烧结C、热风烧结
Sunday, April 16, 2023
问题:为提高圆盘给料精度,容积配料时,提高过料准确性,必须定点给料。()
Friday, March 24, 2023
Tuesday, April 9, 2024
Wednesday, February 12, 2025
Monday, September 12, 2022
Monday, February 17, 2025
Sunday, September 11, 2022