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- 经济开采年限economic exploitation year
- 注水油田经济开采年限的确定方法探讨Discussion on Determination of Economic Production Life
- 水驱稀油油田经济开采年限确定方法研究Estimation Methods of Economic Production Life of A Waterflooding Light Oilfield
- 开采(v) extract ore or some other natural resource from a mine
- 石油开采oil production
- 过度开采overexploitation
- 直线折旧法在资产使用年限内将等额折旧费用分配到每一年度。The straight-line method allocates an equal portion of depreciation expense to each period of the asset's useful life.
- 开采量produced quantity
- 工具使用年限the service life of a tool
- 施肥年限years of fertilization
- 重新开采旧矿rework an old mine
- 给付年限The payable years
- 开采石油recover petroleum
- 弃耕年限abandoned years
- 这些丰富矿藏计划将来进行大规模的开采。These rich deposits are scheduled for large-scale extraction in the future.
- 抗蚀年限antierosion period
- 开采权concession
- 矿山开采mining
- 他们将在那边的山谷开采铜矿。They will mine copper there in the valley.
- 井筒煤柱开采mining of shaft coal pillar