Saturday, September 17, 2022
Friday, September 16, 2022
问题:新汽压力为12.75MPa的国产20万千瓦机组属于()。...
Friday, September 16, 2022
Saturday, September 17, 2022
Friday, September 16, 2022
问题:自动修改数据库记录,应用“表”菜单中的()命令。...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:MPS-190型磨煤机磨盘支架与排渣刮板检修质量标准是什么?...
Monday, September 12, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:在TOSI锅炉启动过程中,当汽压达到4.0MPa以上时,对辅助蒸...
Friday, September 16, 2022
问题:管子对口焊接前应打磨出合适的坡口并留1~2mm的对口间隙。...
Friday, September 16, 2022
问题:作业人员的基本条件之一:经医师鉴定,无慢性疾病。...
Friday, September 16, 2022
问题:斗轮机、皮带等贮运煤设备开动前,必须进行音响警示,管理部门应对(...
Friday, September 16, 2022
问题:不论是冷紧或热紧的汽缸螺栓,在拧紧后一般都是以螺栓的()作为鉴定...
Saturday, September 17, 2022