To undertake the review and verification of projects of the safety technology renovation of key coal mines and the comprehensive gas control and utilization.

承担对国有重点煤矿安全技术改造和瓦斯综合治理与利用项目的审核工作。

youdao

Practices have proved that effective gas extraction can improve ventilation management, gas control and reliability of work safety in the mine.

实践证明，通过对矿井瓦斯的有效抽采，可以使矿井的通风管理、瓦斯治理工作稳步提高，矿井安全可靠度增强。

youdao

The research result is useful to the flue gas control and purification.

该研究有利于高温烟气的净化和处理。

youdao

They have already clashed twice with the police, who used tear-gas to control them.

ECONOMIST: The revolution is still in flux

In Greece police used tear gas to control farmers calling for even more subsidies.

ECONOMIST: The world economy

History suggests that such a perception is an invitation to aggression, making war more likely and adding further, albeit utterly unquantifiable costs to the potential bill associated with greenhouse gas emission control regimes.

CENTERFORSECURITYPOLICY: Gaffney on global warming