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- There are 42 mine wells in four major mine areas, Jixi, Hegang, Shuangyashan and Qitaihe, in Heilongjiang province, China, 70% of which are high gas mine wells. 黑龙江鸡西、鹤岗、双鸭山和七台河四大主要矿区有矿井42个,其中70%25都是高瓦斯矿井。
- There are 42 mine wells in four major mine areas,Jixi,Hegang,Shuangyashan and Qitaihe,in Heilongjiang province,China,70%of which are high gas mine wells. 黑龙江鸡西、鹤岗、双鸭山和七台河4大主要矿区有矿井42个,其中70%25都是高瓦斯矿井。
- The gas grade appraising in the coal mine is a main approach to estimate whether a coal mine is a low or high gas mine,or coal &gas outburst one,and to prevent gas explosion and mine firing. 矿井瓦斯等级鉴定是确定煤矿属于低瓦斯矿井、高瓦斯矿井还是煤与瓦斯突出矿井以及预防煤矿瓦斯爆炸危险和矿井自然发火危险等的一个重要手段。
- In recent years, Northwest Sichuan Gas Mine of PCL Southwest Branch, performed the gas drilling for 5 wells such as Well Pingluo 19 etc. in the west Sichuan area. 近年来,中国石油西南油气田分公司川西北气矿先后在川西地区平落19等5口井实施了天然气钻井,实践的数据和结果充分体现了天然气钻井的优越性,取得了良好的勘探效果,并创国内天然气钻井多项新水平。
- According to domestic and international statistic data , the occurrence probability of gas explosion is not very high, but it occasionally occurs in gas abnormal effusing area of low gas mines. 国内外统计资料表明,高瓦斯矿井发生瓦斯爆炸事故的机率并不是很高,低瓦斯矿井的瓦斯涌出异常区却时有瓦斯爆炸事故发生。
- Gas Govenance of Blasting Face with Compound Roof in High Gas Mine 高瓦斯矿井复合顶板炮采工作面瓦斯治理
- Prediction and Gas Emission Law of Working Face in High Gas Mine 高瓦斯矿井回采工作面瓦斯涌出规律与预测
- The results have some referent value and guiding significance to oil, gas and coal gas mining. 该成果对石油、天然气、煤层气开采具有一定的参考价值和指导意义。
- High Gas Mine Coal Lane Tunnel and Defend the Technology of Dashing for Ward 高瓦斯矿井煤巷掘进防突技术
- Talking about gas management in low gas mine 浅谈低瓦斯矿井瓦斯管理问题
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- I set a high value on his advice. 我认为他的忠告很有价值。
- Many competitors have entered for the high jump. 已有许多人报名参加跳高比赛。
- The theory of gas geology is applied to study the prob lem of gas unusual gush at first,and set-ting up systematic research thinking and method of gas geology in the low gas mines. 首次运用瓦斯地质理论研究低瓦斯矿井瓦斯异常涌出问题,形成了系统的低瓦斯矿井瓦斯地质规律的研究思路和方法。
- She enjoyed high prestige among the masses. 她在群众中享有很高威信。
- The dresses in the shop are priced high. 这家商店的衣服定价很高。