high seam meaning in English

厚层

Comprehensive preventive and cure breeding fire technology in high seam
厚煤层自燃发火综合防治技术
A roof - coal - discharging test mining by predetonation in super high seam
坚硬顶板特厚煤层预爆破放顶采煤试验
Discussion on the feasibility of comprehension machine for lower high seam
西山部分煤田煤层综放开采的可行性探讨
The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel
此厚煤层钻2000为不锈钢结构，且刺和钻支架的一级内支架所属的活塞杆也是不锈钢的。
The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel
这种厚煤层钻孔机2000是不锈钢结构,钻头第一内部腿架的活塞杆和钻孔机支架都是不锈钢的

More: Next