This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.
综合分析了开采深度、煤层倾角、煤层开采厚度、工作面斜长等地质采矿条件对底板采动导水破坏带深度的影响。
This paper introduced the fast detection device of acting length of the sealing face which is suitable for on line detection of inlet and exhaust valve of the engine.
本文介绍了密封面作用长度的快速检测装置，此装置适用于发动机中进排气门的在线检测。
The effects of cutting area, contact arc length, the geometry of cutting face, back dip angle of PDC cutter and rock performance on force of PDC cutter breaking rock were simulated experimentally.
试验模拟了切削面积、接触弧长、切削面形状、切削齿后倾角和岩石性能对PDC切削齿破岩受力的影响。
All curled areas should be clearly defined by curls of sufficient length to form a sharp contrast with the smooth coat on face, throat, tail, and rear legs below the hocks.
所有的卷毛区域都整洁而清晰，有足够的长度，与被毛平滑的脸部、喉咙、尾巴及后腿飞节以下部位形成鲜明的对比。
All curled areas should be clearly defined by curls of sufficient length to form a sharp contrast with the smooth coat on face, throat, tail, and rear legs below the hocks.
所有的卷毛区域都整洁而清晰，有足够的长度，与被毛平滑的脸部、喉咙、尾巴及后腿飞节以下部位形成鲜明的对比。
应用推荐