新安装的主要通风机投入使用前,必须进行试运转和通风机性能测定,以...
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采煤机割煤时必须喷雾降尘,外喷雾工作压力不得小于()MPa,...
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Friday, September 16, 2022
全矿井、一翼或者一个水平通风系统改变时,编制()及(),经企业技...
Friday, September 16, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
Tuesday, September 13, 2022
煤矿企业对新入矿工人不需进行职业健康检查,不需建立健康档案。...
Friday, September 16, 2022
Tuesday, September 13, 2022
Saturday, September 17, 2022
Friday, September 16, 2022
煤矿建设应按照()的原则坚持科学设计,高质量建设、高标准验收,建...
Friday, September 16, 2022
贮存在地球岩石圈中,积聚在岩石和松散层空隙中的水统称为()。...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
Saturday, September 17, 2022
Tuesday, September 13, 2022
对于钢丝绳在滚筒上的缠绕层数,《煤矿安全规程》是怎样规定的?...
Monday, September 12, 2022
Monday, September 12, 2022
《江苏省煤炭企业领导干部深入井下管理规定》对江苏煤炭企业领导干部...
Saturday, September 17, 2022