Abandoned coal mines would be pensioned off.
废弃的煤矿将不再被使用了。

Prevention and countermeasures of gas explosion accident at coal mines
煤矿瓦斯爆炸事故的防治对策

The key points analyses in the bombing work of the coal mines
煤矿放炮事故调查要点分析

Risk Appraisal of Gas Explosion in Coal Mines
煤矿瓦斯爆炸的风险评价

Take effective measures to interdict the arising trend of coal mines serious incident.
务必采取有效措施坚决遏制煤矿重特大事故频发势头

The owners of the coal mines had formed an association to protect their interests.
煤矿主们早组织了一个同业公会以保护他们自己得利益。

To ensure safety in production,the system under which the directors of coal mine administrations and the managers of coal mines assume full responsibility shall be instituted in coal mining enterprises.
煤矿企业的安全生产管理，实行矿务局长，矿长负责制。

Audio frequency electric perspective exploring water technology performed in coal mines
音频电透视探水技术在煤矿中的应用

Game Theory Based Analysis on Penalizing Illegal Coal Mines
整治非法煤矿的博弈论分析

COAL mines are ugly, dirty places but beauty is in the eye of the beholder.
煤矿本身是丑陋肮脏的地方, 但情人眼里出西施。

The biggest push concerns small coal mines, in which thousands of workers perish every year.
最大的推动力是关于小煤窑的, 每年有几千人因它死亡。

There was a terrible blast in the coal mines.
矿坑中发生了可怕的爆炸声。

Yulin boasts one of world's largest coal mines and is rich in natural gas.
榆林号称是世界最大的煤炭产地之一, 又拥有丰富的天然气。

They underwrote the coal mines bonds.
他们同意买下该煤矿的未认购的股票。

Application of Reverse Osmosis Technology in Treating Brackish Water from Coal Mines.
反渗透技术在煤矿苦咸水处理中的应用研究

Bring order to small coal mines.
整顿小煤矿

Proceed in the light of local conditions to build safety and high efficiency modern coal mines
因地制宜建设安全高效现代化矿井

The strength weakening controlling mechanism of rock bursts in coal mines was put forward.
提出了冲击矿压的强度弱化控制机理。

In coal mines, this canary was supposed to be close to the miners.
在煤矿场，这种金丝雀 会与矿工紧密相伴

Theoretic Analysis and Application of Maximum Production Capacity of Coal Mines with High Gas Content
高瓦斯矿最大生产能力核定的理论分析及应用

Many coal mines are careless with worker safety.
很多煤矿对工人的安全问题根本不管不顾。

On How to Carry Out Prospecting Drainage in Small Coal Mines
小煤矿如何进行井下探放水

I worked in the coal mines for three years to obtain my colliery manager's certificate.
为了获得一个煤矿经理人证书，我在煤矿工作了三年。

CHAPTER III PRODUCTION OF COAL AND SAFETY OF COAL MINES.
第三章煤炭生产与煤矿安全。

The chief coal mines are Kailuan, Datong, Yangquan and Huainan.
主要有开滦、大同、阳泉、淮南等煤矿。