Thursday, September 22, 2022
问题:我国生产的电动桥式起重机,依据工作情况不同分为()三级。...
Thursday, September 15, 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
Tuesday, September 20, 2022
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: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
Thursday, September 22, 2022
Tuesday, September 20, 2022
Thursday, September 22, 2022
Wednesday, September 21, 2022
问题:分解炉着火条件是温度达到600℃以上,含氧达到()。...
Wednesday, September 21, 2022
问题:生产熟料、选择设计配料方案时,应考虑的主要因素有()。...
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
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Wednesday, July 19, 2023
问题:硅酸盐水泥和普通硅酸盐水泥的细度以比表面积表示,其比表面积不小于()m2/kg。...
Saturday, September 17, 2022
Saturday, September 17, 2022