coal seam造句

1、Coal seam faults refer to those parallel to or intersected with seam at small angles.
顺煤断层是指断面沿煤层或与煤层呈小角度相交的断层。

2、CALCULATION OF GAS DRAINAGE PARAMETERS FOR QI CHI COAL SEAM IN YANGQUAN
阳泉七尺煤层瓦斯抽放参数计算

3、Exploration evaluation coal seam gas is a base of coal seam gas exploration and developing.
煤层气的勘探评价，是开展煤层气勘探与开发工作的基础。

4、Roof control is key management of opening up coal seam with potential outburst in crosscut.
顶板管理是石门揭露突出煤层过程中的管理重点。

5、The gas distributed rule of coal seam is the base of preventing gas hazard.
煤层瓦斯赋存规律研究是瓦斯灾害防治的基础。

6、Longwall mining along the dip of the unstable coal seam and strata control
不稳定煤层倾斜长壁开采及矿压控制

7、The average coal seam here is three feet thick.
这里的煤层平均为3英尺厚。

8、STUDY OF MINING OF GENTLY-INCLINED COAL SEAM GROUP IN ASCENDING ORDER
缓倾斜煤层群上行开采的研究

9、The ground lifting machine for coal seam gas coring drill is required to be speedy and powerful.
对与煤层气井用绳索取心钻具配套使用的地面升降装置要求提升能力足、提升速度快。

10、The Gaussian curvature of No.3 coal seam in Qinshui basin is calculated.
计算了沁水盆地3号煤层的高斯曲率。

11、The crack in the coal seam is divided into two kinds: endogenic crack and exogenous crack.
煤层中的裂隙分两种，即外生裂隙和内生裂隙。

12、This paper goes further into the blast-winning technology of the composite coal seam face.
深入探讨了复合煤层回采工作面“松动放炮”落煤的工艺问题。

13、The mathematical model of complex coal seam is established by mathematical statistics method.
利用数理统计的方法建立复杂煤层的数学模型。

coal seam翻译