Sunday, September 11, 2022
问题:摩擦驱动装置的配重块应完整无损,()符合规定要求。...
Friday, September 16, 2022
问题:斜面升船机承船厢过驼峰时发生打滑,承船厢在原地振动明显,钢丝绳(...
Sunday, September 11, 2022
Friday, September 16, 2022
问题:液压系统零部件必须配备一定数量的备件,需要时严格按照()进行同型号更换,不得有误。A、维修强度要求B、设备的设计要求C、养护要求D、管理需求...
Saturday, October 7, 2023
问题:剧烈的振动有可能引起金属结构的疲劳变形、焊缝开裂或紧固件松动,以...
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:将控制柜内直流稳压电源开关拨置“ON”状态,直流稳压电源开始工作...
Sunday, September 11, 2022
Saturday, September 23, 2023
Friday, September 16, 2022
问题:金属结构(闸门及启闭机机体)的防腐涂料主要选用树脂类或氯化橡胶类...
Sunday, September 11, 2022
问题:发现管路、接头破损、破裂等缺陷时,必须进行()。...
Sunday, September 11, 2022
问题:矿山设计哪些项目必须符合矿山安全规程和行业技术规范?...
Friday, September 16, 2022
Friday, September 16, 2022
问题:闸门支撑、吊耳、锁定等装置外观检查时,先将检查面清洁,再用眼睛或...
Sunday, September 11, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022