Thursday, September 22, 2022
Monday, September 19, 2022
Thursday, September 15, 2022
Friday, September 16, 2022
问题:水泥熟料的化学成分主要由()、()、()、()四种氧化物组成。...
Wednesday, September 21, 2022
Friday, September 16, 2022
问题:测定混凝土膨胀剂限制膨胀率试验时试体应如何测长和养护。...
Thursday, September 22, 2022
问题:回转窑试车时间及要求:一般电动机空运转()、带回转窑主电机运转4h,回转窑联运试车4h后筑炉。...
Thursday, September 22, 2022
问题:水泥颗粒过粗既不利于水泥()的发挥,又影响了其()的性能。...
Thursday, September 22, 2022
问题:强度等级为52.5R的硅酸盐水泥的3天强度应大于等于()MPa。...
Monday, September 19, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:磨内温度高,易使水泥因静电引力而凝结,严重时会粘附研磨体和衬板,从而降低粉磨效率。...
Thursday, September 15, 2022
Thursday, September 22, 2022
Friday, September 16, 2022
Thursday, September 22, 2022
Wednesday, July 19, 2023
Wednesday, September 21, 2022
问题:回转窑理论上需要的热量与实际消耗的热量之比称为回转窑的()。...
Thursday, September 22, 2022