Sunday, July 30, 2023
Thursday, September 22, 2022
Thursday, September 22, 2022
单选题我国最新发布的特种劳动防护用品目录中列出了多少类特种劳动防护用品?()A 8B 7C 6D 5...
Thursday, March 7, 2024
Thursday, September 22, 2022
Thursday, March 7, 2024
Monday, September 19, 2022
单选题空料线停炉,打水管的安装位置设在()。A 小料斗上面B 大料斗内C 炉喉取样孔...
Friday, June 2, 2023
Saturday, April 29, 2023
Monday, October 9, 2023
判断题检修电气设备,应至少2人一起作业。停电检修时,应严格执行挂牌制,悬挂“有人检修,严禁合闸”的警示牌A 对B 错...
Thursday, February 29, 2024
Wednesday, March 13, 2024
Sunday, April 28, 2024
Tuesday, March 28, 2023
判断题气瓶在储存时必须与可燃物、易燃液体隔离,并且远离容易引燃的材料(诸如木材、纸张、包装材料、油脂等)至少5m以上,或用至少1.5m高的不可燃隔板隔离。A 对B 错...
Sunday, July 30, 2023
判断题“四不伤害”是指:不伤害自己,不伤害别人,不被别人伤害,保护自己不受伤害A 对B 错...
Sunday, November 19, 2023
Sunday, March 17, 2024
单选题安钢厂界噪声昼间标准是()分贝。A 65B 50C 60D 70E 55...
Sunday, November 13, 2022
Thursday, September 22, 2022
Saturday, April 29, 2023