煤层倾角 meaning in Chinese
coal bed pitch
coal seam dip angle
coal seam pitch
Examples
- Application of false - inclined flexible shield mining system in coal face with seam pitch less than rest angle of waste
伪斜柔性掩护支架采煤法在煤层倾角小于矸石安息角工作面的应用
coal bed pitch
coal seam dip angle
coal seam pitch