Saturday, April 27, 2024
Sunday, September 25, 2022
Tuesday, October 4, 2022
Tuesday, September 12, 2023
Thursday, October 5, 2023
问题:提升阀控制压力为0.3---0.4Mpa,就地不低于0.25Mpa。...
Thursday, February 22, 2024
问题:如果电容器的电容量不够大,可以把两个或更多的容量较小电容器()使...
Tuesday, September 13, 2022
Monday, September 25, 2023
问题:干式排渣系统设置容积()m³的中间渣仓,气动进、出口阀门等应具有耐250℃以上高温的性能。...
Thursday, October 5, 2023
问题:下列属于安全电压的是()。A、36VB、110VC、220V...
Sunday, July 16, 2023
Tuesday, September 13, 2022
问题:30号机油“30”是指该机油在规定温度下的()。A、粘度B、比重C、凝固点...
Tuesday, August 22, 2023
问题:减速机应换用与以前()等级的润滑油,不同等级或不同厂家的润滑油()混合使用。...
Tuesday, October 4, 2022
问题:转机转速700转/min,振动值应小于()。A、0.6mmB、0.12mmC、0.10mm...
Tuesday, September 12, 2023
Thursday, February 22, 2024
问题:减速箱和变速箱是主动机与从动机部件之间变换速度的机构。...
Thursday, April 20, 2023
Tuesday, September 12, 2023
Saturday, September 17, 2022
问题:在没有明火接近的条件下,燃料与空气接触能自动着火燃烧的最低温度称...
Saturday, September 17, 2022
问题:在紧急情况下,任何人都可按“事故停机”按钮停止设备的运行,必须经过()。A、有关领导的确认后,方可再次启动B、检查、再次启动C、检查联系后,方可再次启动...
Tuesday, October 4, 2022