To meet the needs of coal fall down mining technology, the technical reformation have been made on 6mg200w shearer and therefore it can use in the big seam Angle, more ore and seam broken condition.
为了满足轻型放顶煤开采的需要，对6MG 2 0 0w型采煤机进行了技术改造，使其适应工作面倾角大、夹矸断层多的工作条件。
There are series problems exist in the existing thick seam mining technology with large dip Angle, thus cause low extraction rate, poor safety and high cost.
现有的大倾角厚煤层开采技术存在着一系列问题，从而导致煤矿回采率低，安全性差，成本高。
Through the site observation, the simulation and the numerical value computation, obtained the gateway plastic area in high-pitched and critical Angle seam.
通过现场实测、相似模拟和数值计算得出了大倾角临界角煤层回采巷道塑性区的分布情况。
On the basis of probability integration method for flat coal seam, the paper discusses surface subsidence random medium model for mining inclined seams with an Angle of a.
在水平煤层概率积分法的基础上，讨论了开采倾角为口的倾斜煤层的地表下沉随机介质模型。
In experiments, brazing parameters and laser incident Angle were changed during the process. The regularity of appearance of brazing seam in different heat input was obtained.
试验过程中，通过改变钎焊工艺参数及激光入射方式，研究了镀锌钢板激光填丝钎焊在不同热输入下的钎缝外观成形规律。
Combining with the actual situation in coal face, expound the key technology for large inclined Angle thin seam face so as to assure that slided coal can't come in goaf.
结合某矿采煤工作面实际情况，阐述了大倾角薄煤层工作面的关键技术处理措施，保证了煤下滑不窜入采空区。
Relationship curves between seam dip Angle, horizontal section height and roof deformation are derived, at the seam time, the criterion of failure is given in this paper.
得出了煤层倾角、水平分段高度对顶板变形的影响关系曲线，同时，给出了顶板破断的判据。
The coal seam dip Angle has little effect on the caving funnel.
而放煤漏斗轮廓受煤层倾角影响不大。
The characters of scratch trace and method of diagramming the faulted seam position with the figs of scratch trace side angle of depression are discussed.
论述了擦痕的特征及利用擦痕侧伏角图解断失煤层位置的方法。
The crack scale is small, the inclination Angle is big, sews the wall common few calcite backfill, has the support function to the seam wall.
裂缝规模小，倾角大，缝壁常有少量方解石充填，对缝壁有支撑作用。
Among several factors, dip Angle of coal seam is the most important factor affecting the height of the three zones.
在诸多的影响因素中，煤层倾角是控制“三带”高度的最主要因素。
Study showed that angle deformation of T joint is changed along the welded seam length.
研究表明，T形接头的角变形沿焊缝长度方向是变化的。
There is a certain angle between caving line and coal seam strike.
垮落线与煤层走向是一定角度。
According to the model of the welding position, giving a weld seam point, the weld orientation then can be resolved from the weld rotation Angle and the weld slope Angle.
根据焊缝位置的数学模型，得到了描述焊缝焊接位置的参数——焊缝转角和焊缝倾角与焊缝姿态的关系。
It is understood that more than 45 degree Angle in inclined coal seam is called.
据了解，倾角在45度以上的煤层称为急倾斜煤层。
The article introduces the shortwall mining method along strike in medium-thickness seam with great dip angle, which is based on individual hydraulic prop and has brought great economic effect.
在大倾角中厚煤层推行走向短壁采煤方法，使用单体液压支柱，取得较好的技术经济效果。
The article introduces the shortwall mining method along strike in medium-thickness seam with great dip angle, which is based on individual hydraulic prop and has brought great economic effect.
在大倾角中厚煤层推行走向短壁采煤方法，使用单体液压支柱，取得较好的技术经济效果。
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