常見例句Rain has serious effect on the operation of long and narrow deep open pit.降雨對狹長深凹露天鑛的生産有嚴重的影響。The optimal furrow pit direction and the optimal slope configuration fit to the little north open mining was obtained.優(yōu)化設計所取得的邊坡形狀爲金堆城露天鑛最大限度的減少廢石剝離量，指導採區(qū)安全生産提供了幫助。 返回 Open-pitmine