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- rich gas coal mine 高瓦斯矿井
- In this paper,the gas emission method of primary mining in high gas coal face are summarized systematically,which provides reterence for other similar coal mines. 本文系统地总结了淮南高瓦斯工作面初采期间瓦斯抽放方法,以供类似条件的矿井参考。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Analysis on the gas coal dust explosion accidence in Mennanzhuang coal mine 孟南庄煤矿瓦斯煤尘爆炸事故原因浅析
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- Coal Gas Factory of Datong Coal Mine Gro. 大同煤矿集团有限责任公司煤气厂。
- Methane treatment in low- gas coal mine fully mechanized caving working face air-returning corner 低瓦斯矿井综放工作面回风隅角的瓦斯治理
- Company main coal is planted for rich coal, gas coal, 1 ／ 3 cooking coal, meager coal is mixed anthracitic. 公司主要煤种为肥煤、气煤、1／3焦煤、贫煤和无烟煤。
- Coal production process for the introduction of gas system from the rich gas, the gas purification, compression, a "one-step towers" of DME. 生产工艺为采用煤粉富化气制取煤气，煤气经净化、压缩，采用“双塔一步法”合成二甲醚。
- Ventilation hiden trouble analysis and preventive countermeasures of gas coal dust and fire of Heilongjiang Prov. Coal Mine 黑龙江省煤矿通风安全隐患分析与重大瓦斯煤尘和火灾事故预防对策
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- Discussion on the continuity plan of working faces in high gas coal mines 浅析双高矿井采掘接续计划评价体系
- We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
- In addition, the nitrogen rich gas is used for fuel tank pressurization during descent. 另外，在飞机降落过程中，富氮气体还可用于油箱增压。
- The coal mine was closed down due to exhaustion. 这煤矿因矿源枯竭而关闭了。
- They are developing a new coal mine. 他们在开发新煤矿。
- Application of Z417/Z418 reforming catalysts in the hydrogen production using coking rich gas as the feedstock was described. 摘要介绍了Z417/Z418型转化催化剂在焦化富气制氢装置中的使用情况。
- They sold the coal mine at a profit. 他们把煤矿卖掉赚了钱。
- During the drilling of well Dina-2, serious blowout and fire took place when drilling into the high-pressured rich gas zone. 迪那 2井钻遇高压、高产气层后发生强烈的井喷并着火。
