常見例句雙語例句The cementing material can not only solve some problems in filling of fullrangetailing, but also improve mining intensity and productivity.應用鐵鋁型高水速凝材料不僅可解決礦山充填料不足、全尾充填存在的問題,還可提高采礦強度和生產效率。The advantages of stope leaching of uranium are lower capital cost, less wastes, higher mining intensity and good economic benefits. This technique has been a new mining method of uranium mining.原地爆破浸出采鈾方法,具有投資省、廢料少、效益好等優(yōu)點,已成為鈾礦床開采的一種新方法。By using the technique of Structural Decomposition Analysis, this paper calculates the structure share and efficiency share in the change of labor intensity of coal mining during the period 1985~2006.采用完全結構分解方法,將采煤勞動強度變化分解為結構份額和效率份額,并基于1985~2006年的統(tǒng)計數(shù)據(jù)進行了分析。 返回 mining intensity