coal seam造句

1、It is difficult to evaluate thecoal seam exploitation geological technology quantitatively which belongs to the qualitative questions.(傳統(tǒng)的評價方法很難對煤層開采地質(zhì)工藝性這一定性問題進行定量評價。)

2、Factors affectedcoal seam permeability change and its law is analyzed.(分析了煤層透氣性變化的影響因素及變化規(guī)律。)

3、From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remainedcoal seam.(以哈爾·斯法為例，將相遇折射波法用于剩余煤厚探測中，具有精確、高效、快速的特點。)

4、The study on coal lithostructures is of great significance for predicting the permeability ofcoal seam.(煤巖結(jié)構(gòu)的研究在預(yù)測煤層的滲透性方面有重要意義。)

5、Exploration evaluationcoal seam gas is a base ofcoal seam gas exploration and developing.(煤層氣的勘探評價，是開展煤層氣勘探與開發(fā)工作的基礎(chǔ)。)

6、The organization of construction and application result of metal net support in thickcoal seam mining are introduced.(介紹了厚煤層回采巷道中錨網(wǎng)(索)支護的施工組織及應(yīng)用效果分析。)

7、The structural deformation is the principal geological factor that affects the thickness variation ofcoal seam on a mine field scale.(構(gòu)造作用是控制井田范圍內(nèi)煤層厚度變化的主要地質(zhì)因素。)

8、Due to thecoal seam particularity in Shendong Coal Mine, cracks appear at the radial seat of Eickoff SL500 shearer.(由于神東礦區(qū)煤層的特殊性，在使用艾柯夫公司SL500型采煤機時，搖臂座出現(xiàn)了裂縫。)

9、So it is feasible used the logging data to forecastcoal seam gas content, and the applied value is enhance further.(證明用測井資料預(yù)測煤層瓦斯含量是可行的，從而進一步加強了測井資料的實際應(yīng)用價值。)

10、The averagecoal seam here is three feet thick.(這里的煤層平均為3英尺厚。)

11、coal seam faults refer to those parallel to or intersected with seam at small angles.(順煤斷層是指斷面沿煤層或與煤層呈小角度相交的斷層。)

12、The gauge can simultaneously measure quantity and pressure of water infused intocoal seam.(該水表能同時測定注入煤層中的水量和注水壓力。)

13、The gas distributed rule ofcoal seam is the base of preventing gas hazard.(煤層瓦斯賦存規(guī)律研究是瓦斯災(zāi)害防治的基礎(chǔ)。)

14、The structure and work theory of a new type of hydraulic lock of the thinnestcoal seam shearer is described in this paper.(介紹了一種新研制的極薄煤層采煤機液壓鎖的結(jié)構(gòu)特點及工作原理，并對其進行了性能實驗。)

15、The way and principle of Gaussian curvature method for forecasting natural fracture zones incoal seam are discussed.(論述了高斯曲率法預(yù)測煤層天然裂隙發(fā)育區(qū)的基本原理和方法。)

16、The unit forecast method is applied to forecast quantitatively the complicated degree of small structure in maincoal seam.(用單元預(yù)測法對研究區(qū)主采煤層小構(gòu)造的復(fù)雜程度進行了定量預(yù)測。)

17、Research on coal bedding structure is the theory foundation and precondition ofcoal seam gas exploitation.(煤體層理結(jié)構(gòu)的研究是煤層氣開發(fā)開采的理論基礎(chǔ)和前提條件。)

18、The mathematical model of complexcoal seam is established by mathematical statistics method.(利用數(shù)理統(tǒng)計的方法建立復(fù)雜煤層的數(shù)學(xué)模型。)

19、The spontaneous combustion ofcoal seam endangers the safe production.(井下煤層自燃嚴重危害著安全生產(chǎn)。)

20、The concrete construction methods and effects of mining technology in the middle thickcoal seam are introduced.(介紹了中厚煤層回采工藝的具體施工方法和效果，同時介紹了工作面支護參數(shù)的計算。)

21、This paper goes further into the blast-winning technology of the compositecoal seam face.(深入探討了復(fù)合煤層回采工作面“松動放炮”落煤的工藝問題。)

22、When the protectivecoal seam is mined, the gas management on the protectedcoal seam is a very important job.(保護層開采時，對被保護層的瓦斯治理是一項非常重要的工作。)

23、They were giant, sometimes 8 feet long , and many of them lived in the swampy pools in which ourcoal seam, or layer, or formed.(它們體型巨大，有時有8英尺長，其中許多生活在沼澤地里，我們的煤層就是在這里形成的。)

24、The phenomenon of water vaporization during infusing water intocoal seam was studied.(對煤層注水的水分蒸發(fā)現(xiàn)象進行了研究；)

25、The permeability ofcoal seam is the crucial problem.(煤層氣儲層的滲透性是煤層氣開發(fā)的關(guān)鍵。)

26、Rockburst is catastrophic failure phenomena of rock mass andcoal seam.(沖擊地壓是一種煤巖體的突然破壞現(xiàn)象。)

27、The influence of aquifer upon the miningcoal seam is estimated.(預(yù)測了侏羅系含水層對煤層開采的影響。) hAo86.com

28、Grave protrusioncoal seam tunnelling hydraulic cutting protrusion-dispelling measures is a new technology in the world.(嚴重突出煤層掘進水力掏槽防突措施在國際上是一種防突新技術(shù)。)

29、Essential way of solving the gas drainage problem of low permeabilitycoal seam is to increasecoal seam permeability.(解決低透氣性煤層瓦斯抽放問題的根本途徑是增加煤層的透氣性。)