mining rate meaning in English

开采速度

Discussion on coal mining rate of full - dimenssion cutting and top coal caving technology
一次采全高和放顶煤工艺采出率问题分析
Discussion on efficient measures to improve mining rate of fully mechanized longwall top coal caving mining
综放综采混合开采技术在煤矿开采中的应用
Study on influence of mining rate on stress environment in surrounding rock of mechanized top caving mining face
综放工作面开采速率对围岩应力环境影响的研究
( 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。