| 词汇 | open-pit |
| 释义 | open-pit adjective USuk /ˈəʊ.pən.pɪt/ us /ˈoʊ.pən.pɪt/ → opencastUK露天挖掘的 Engineering - mining & quarrying anti-mine banksman beneficiation biomining coal coal miner coal mining coalface excavator extract mineral mining oilfield OPEC petrodollar pithead prospect slag heap strip mining unworked Examples of open-pitopen-pit The demand for labor increased when open-pit mining in the late 1880s and vertical shaft mining was begun. Other historic waste disposal methods included 'sea icing' (dumping waste onto sea ice that breaks away and drifts out to sea), dumping directly to sea, and open-pit burning. It is an open-pit, run-of-mine, heap leach gold mine with conventional heap leaching technology and carbon absorption for ore treatment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A former open-pit coal mine, the lake was flooded in 1999 with groundwater and developed as a water recreation area. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mine has an annual production capacity of 29.5 million tonnes of iron ore, sourced from open-pit operations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Surface mining of oil shale deposits causes the usual environmental impacts of open-pit mining. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This may be done by open-pit (also called open-cast mining) or by various surface excavating equipment or tunneling equipment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mine is an open-pit mine producing copper, molybdenum, rhenium and silver with minor gold and zinc. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is an open-pit mine, and is one of the largest mines of that type. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In mining, a bench is a narrow, strip of land cut into the side of an open-pit mine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A former open-pit coal mine, it was flooded in 1999 with groundwater and developed in 2006 as a tourist area. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The present-day open-pit mining operation was begun in 1910. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mine proved to be profitable, and open-pit mining of low-grade copper deposits came to dominate the industry by mid-century. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The park is at an elevation of 148 ft (45 m) and the property was once an open-pit mine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Originally an underground operation, open-pit mining became increasingly important after 1993, temporarily putting an end to underground mining in 1997. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of open-pit These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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