问题:大修汽轮发电机时,拆卸盘式密封瓦前,应进行什么试验?...
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
Monday, September 12, 2022
Monday, September 12, 2022
Friday, September 16, 2022
问题:TOSI锅炉磨煤机减速箱润滑油压,正常时应不小于()kPa。...
Friday, September 16, 2022
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。...
Saturday, April 5, 2025
Friday, September 16, 2022
Friday, September 16, 2022
问题:根据《工伤保险条例》,拒不接受劳动能力鉴定的应停止享受工伤保险待...
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
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:在带电工作时,直接接触单相回路中的零线是没有危险的。...
Friday, September 16, 2022
Friday, September 16, 2022
问题:汽轮机做超速试验时,若转速升至3360r/min,危急保安器仍不...
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
Friday, September 16, 2022