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20

2020-03

三棱鉆桿的介紹

2020-03-20

10

2020-03

國務(wù)院下令:煤礦復工不再審批!人員不用隔離!

2020-03-10

09

2020-03

錨桿（錨索）支護工崗位標準流程操作

2020-03-09

06

2020-01

2019年11月25日，重慶市雙河煤業(yè)發(fā)生一起頂板事故

2019年11月25日16時(shí)10分，重慶市榮昌區雙河煤業(yè)有限責任公司井下04402采煤工作面發(fā)生一起頂板事故，死亡1人。

2020-01-06

06

2020-01

什么是瓦斯突出事故——瑞龍鉆具

瓦斯突出事故是指隨著(zhù)煤礦開(kāi)采深度的增加、瓦斯含量的增加，在煤層中形成了在地應力作用下，瓦斯釋放的引力作用下，使軟弱煤層突破抵抗線(xiàn)，瞬間釋放大量瓦斯和煤而造成的一種地質(zhì)災害所導致的事故。

2020-01-06

06

2020-01

2019年11月25日，貴州三甲煤礦發(fā)生煤與瓦斯突出事故

11月25日畢節市織金縣三甲煤礦25日凌晨發(fā)生疑似煤與瓦斯突出事故，經(jīng)初步核實(shí)，事故造成8人被困。從澎湃新聞獲悉，12月1日清晨4時(shí)，織金縣三甲煤礦煤與瓦斯突出事故最后一名被困人員被找到，已無(wú)生命特征?，F場(chǎng)救援搜救工作已結束，本次事故共造成7人死亡，1人獲救。

2020-01-06

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