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1·The seam thickness change is one of the main factors effected on coal mining.

煤层厚度变化是影响煤矿开采的主要因素之一。

2·The seam thickness change is one of the main factors effected on coal mining.

构造作用是控制井田范围内煤层厚度变化的主要地质因素。

3·It can cuts the whole seam height in one trip, and accommodate the changing of seam thickness and floor undulation.

它可以一次采全高，并且能适应煤层厚度变化和底板起伏不平的条件。

4·The presence of geological units of gas under control of rock mechanical properties, fault distribution, seam thickness.

各自然地质单元瓦斯赋存情况受其围岩力学性质、断层分布、煤层厚度等地质因素控制。

5·Reasonable down from feeding mechanism to ensure that does not wrinkle when sewing thin, continuous line when the seam thickness.

合理的倒、顺送料机构确保缝薄时不起绉，缝厚时不断线。

6·Within the north structure block, with the influence of the thin seam thickness, the thickness of the structure coal seam was relevantly thin.

在北部构造区内受煤层厚度较薄的影响，构造煤厚度相对较薄。

7·Analyzing the characteristic of the thickness change and coal seam formation, realize the geological original cause of coal seam thickness change.

分析煤层厚度变化的特点及煤层厚度变化的地质成因。

8·This paper discussed the evolvement characteristics of sand bodies of the fourth coal bearing interval and its influence on No. 13-1 coal-seam thickness in Huainan coal field.

讨论了淮南煤田第四含煤段砂体的演化特征及其对13 - 1煤层厚度的影响。

9·Some kinds of genesis patterns of the seam thickness variation caused by bedding slip structure are analyzed and the forming reason of the coal parameter variation are expounded.

分析了层滑构造引起煤厚变化的几种成因方式，解释了煤质变化的形成原因。

10·Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in...

在分析煤厚变化与构造作用之间的关系基础上，研究井田内在开拓开采中的煤层厚度变化规律。