长工作面 meaning in Chinese
long face place
longwall
Examples
- Robe into the high - precision through technology on the ultra long - distance face
超长工作面高精度贯通技术的探讨 - Full - mechanized caving mining technics and fire prevention and extinguishment technology of extended length mining face in combustible thick coal seam
易燃厚煤层超长工作面综放工艺及防灭火技术