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- For gas coal oxidation under same conditions, the yield of CA increases from 21. 3% (daf) to 23. 3% (daf). 气煤在相同条件下外加12%25乙酸促进剂氧化，CA产率由21.;3%25(daf)只提高到23
- 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。
- 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。
- After the Dayou high-sulphur brown coal is blended with the Tianzhu gas coal, the direct liquefaction oil yield is increased by over 2% as compared with that of the single... 试验证明;大有高硫褐煤与天祝气煤配合;其直接液化油产率比两种单煤的液化油产率提高了2%25以上;可达到69.;66%25;有较好的应用前景。
- The results show that the long-flame coal distributs in the six coal-rich regions, the lignite distribute in southwest and north central region and gas coal distribute in south central of eastern depression on plane. 在平面上，长焰煤在东部凹陷的6个赋煤区均有分布，褐煤分布于东部凹陷西南端和中北部，气煤则集中分布于该凹陷的中南部。
- Comprehensive control of gas at high gas coal face 高瓦斯采煤工作面的瓦斯综合治理
- Besides coal, the most important natural fuel are gas and oil. 除了煤，最重要的天然燃料是煤气和石油。
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- Conversion of your heating system from coal to gas will be costly. 你把暖气系统由烧煤改造成烧瓦斯会花好多钱。
- He cooks his meal with a gas stove. 他用煤气炉做饭。
- Elementary Research of Optimum Shattering of the Gas Coal 气煤最佳粉碎细度的初步探索
- Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- His long speech was nothing but gas and hot air. 他的长篇大论只是吹牛和空话。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- Mining high gas coal seam with enclosed mining method 封闭式采煤法开采高瓦斯煤层
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞，整整一油箱的汽油都漏光了。
- We finally drove up to a gas station. 我们最后驶近一加油站。
