open pit mining 美 英 un.露天采矿;露天开采;露天采戍 网络露采 英汉 网络释义 un. 1. 露天采矿 2. 露天开采 3. 露天采戍
Open-pit mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. Open-pit mines are used when deposits of commercially useful minerals or rocks are found near the surface. Automatic Computer Mining (ACM) is a company th...
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5120: Open-Pit Mining 时间限制: 1 Sec 内存限制: 128 MB 提交: 19 解决: 10 [提交][状态][讨论版][命题人:admin] 题目描述 Open-pit mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. Open-pit mines are used ...
An experimental test of bench mining in the high and dangerous slope of a certain open-pit mine was made. 在某露天矿山的高危边坡上进行了台阶采矿的试验研究。 www.chemyq.com 5. Disposition of hardware and software of the computer-based truck dispatching system in open-pit mine were described ...
open pit miningsame as open cast mining .Springer Berlin HeidelbergDictionary of Gems & Gemology
the southeast of anshan city, liaoning province, covering an area of 10.6 square kilometers, known as the ten mile iron mountain for its rich iron ore reserves. after nearly a century of mining, dagushan has been mined from a 280-meter-high mine to a 286-meter-underground pit that's ...
its profits by open-pit mining. ACM has hired you to write a program that will determine the maximum profit it can achieve given the description of a piece of land. Each piece of land is modelled as a set of blocks of material. Block i has an associated value (vi), as well as a ...