open-cast coal 露天煤矿
open-cast 露天矿区
open cast coal 露天开采的煤
open cast method 倒堆剥离
open-cast mining 露天开采
open cast molding 无压铸型
open cast technology 倒堆工艺
ADJ At an opencast mine, the coal, metal, or minerals are near the surface and underground passages are not needed. (指煤、金属及矿物等)露天开采的 [英国英语] [ADJ n]
The open cast method is an advanced stripping technology with low operation cost.
拉斗铲倒堆剥离是一种先进的开采工艺，机械化程度高，开采成本低。
The selection of dragline is a key problem to be handled when applying dragline for open cast in surface mining.
露天矿应用拉斗铲倒堆工艺的关键问题首先要做好拉斗铲的选型。
They cast down their load and began to open the grave.
他们把东西卸下来，开始挖坟。
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