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...
Friday, September 16, 2022
Monday, September 12, 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
Saturday, September 17, 2022
问题:如果试验过程发生突然故障,必须首先进行什么操作,保证检修过程安全...
Monday, September 12, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Monday, September 12, 2022
Thursday, September 15, 2022
Monday, September 12, 2022
问题:冬天,王某宿舍有人打开电暖器取暖,王某觉着宿舍太热,于是顺手握住...
Monday, September 12, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Monday, September 12, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:使用搅拌器调整泥浆时人员披发操作会产生什么事故?...
Sunday, September 11, 2022
Monday, September 12, 2022
问题:使用硫化氢气样校验盒检测硫化氢传感器后,可以直接往室内垃圾桶倒校...
Monday, September 12, 2022
Monday, September 12, 2022