Thursday, September 15, 2022
问题:电缆输送射孔时,为了保证紧急情况下能及时剪断电缆,井控断线钳应放在什么位置?
Friday, September 16, 2022
Friday, September 16, 2022
问题:操作机床时,是否应工件开始旋转后方可进刀,停车时要先退刀?否则会产生什么后果?
Monday, September 12, 2022
问题:进入井场前,应及时了解井场情况,熟悉井场环境,为何要掌握逃生路线和应急集合点?
Monday, September 12, 2022
问题:当井场硫化氢浓度达到150mg/m3(100ppm)的危险临界浓度时,现场人员应该怎样做?
Monday, September 12, 2022
Sunday, September 11, 2022
Monday, September 12, 2022
Saturday, September 17, 2022
问题:绞车测量作业时,人员跨越电缆或钢丝时,会造成什么后果?
Saturday, September 17, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:司炉人员夏季在锅炉房进行防腐保养时,为防止油漆中毒,应采取什么措施?
Monday, September 12, 2022
Friday, September 16, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Sunday, September 11, 2022
Monday, September 12, 2022
Friday, September 16, 2022
Friday, September 16, 2022