Friday, September 16, 2022
新汽压力为12.75MPa的国产20万千瓦机组属于()。...
Friday, September 16, 2022
Friday, September 16, 2022
Monday, September 12, 2022
Friday, September 16, 2022
Friday, September 16, 2022
硬聚氯乙烯塑料的最佳焊接温度是多少?焊接时对现场环境温度以多少为...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
在凝汽器的两管板之间设中间隔板,是为了保证冷却水管有必要的()和...
Friday, September 16, 2022
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
Friday, September 16, 2022
Friday, September 16, 2022
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
Friday, September 16, 2022
在电气设备上工作,需要将高压设备停电,应填用第一种工作票。...
Friday, September 16, 2022
Friday, September 16, 2022
汽轮机支持轴承承受()的全部重量,并确定()的径向位置。...
Monday, September 12, 2022
Friday, September 16, 2022
Friday, September 16, 2022