Thursday, September 15, 2022
问题:检修人员在地面提升机房检修中,使用易燃清洗剂时,()。...
Thursday, September 15, 2022
问题:安全和生产之间是相互联系、相互影响、相互作用的,生产是安全的基础...
Monday, September 12, 2022
Thursday, September 15, 2022
问题:用来平衡摩擦提升钢丝绳所造成的两端张力差的装置是()。...
Sunday, September 11, 2022
问题:提升机在启动和运行过程中,司机应随时注意哪些情况?...
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:简述提升机在减速、等速阶段运行时,突然发生安全制动的原因。...
Monday, September 12, 2022
Monday, September 12, 2022
Thursday, September 15, 2022
问题:()的立法目的是为了保障矿山生产安全,防止矿山事故,保护矿山职工的人身安全,促进采矿工业健康发展。...
Tuesday, January 23, 2024
Thursday, September 15, 2022
问题:钢丝变色,失去光泽,有轻微锈皮或细小的点蚀,抗拉强度损失在10%以下属于()。...
Saturday, June 17, 2023
Monday, September 12, 2022
问题:摩擦轮式提升机用钢丝绳,也应像缠绕式提升机用的钢丝绳一样,按《煤...
Thursday, September 15, 2022
问题:定量斗箱装载设备具有结构简单,实现定量装载,有利于提升机操纵,(...
Thursday, September 15, 2022
问题:《煤矿安全规程规定》平衡式钢丝绳的使用期限不得超过()年。...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:根据违法的程度和实施行政制裁的主体与制裁对象的不同,行政责任又分...
Monday, September 12, 2022