raise mining meaning in English
上向回采
Examples
- ( 5 ) through using value engineering to optimize the mining technology in the material field , this directly reduced the requirement of engineering geology condition of mining block stone , and raised mining rate of stone in the material field , and then reduced the cost of production of armor stone by 394 . 4 thousand
( 5 )应用价值工程对料场的开采工艺进行优化，降低了开采块石料对料场的工程地质条件，提高了料场的块石采取率，进而为护坡块石料的生产降低成本39 . 44万元，取得了较大的经济效益。