pipe angle seam 接管角焊缝
deep dip angle seam 大倾角煤层
pipe socket angle seam 管座角焊缝
Steep critical angle Seam 急倾斜临界角
High-pitched critical angle seam 大倾角临界角
coal seam dip angle 煤层倾角
Right angle welding seam 直角角焊缝
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。
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。
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