设备大修是维持简单再生产的重要手段，由于设备大修费用有限，导致设备欠修。
Equipments overhaul is an important methods in maintaining equipments operating, Because the overhaul cost is limited as result of equipments lack of repair.
为今后如何进一步保护好套管，节省大修费用，降低成本，提高经济效益等方面提出了建议。
Additionally, have put forward the Suggestions in protecting casing, saving workover fee, reducing costs and increasing economic benefits.
经标准化处理后，在确定时变参数估值的基础上，建立了大修费用多层递阶预测模型，并成功地实现了大修费用预测。
The Multi?layer hierarchical recursion model for equipment overhaul cost forecasting is successfully established in overhaul cost prediction.
本文介绍了一种侧部炭块在线修理技术，可在线修补侧部炭块破损，对于延长槽寿命以及降低大修费用有着重要的意义。
The department introduced a online repair technology can repair damaged side carbon block, which has the important significance to extending the pot life and reduce the overhaul cost.
金钱，作为价值标准，能把许多不同的开支项目，比如各种汽车、大修理费和所买的其他所有的商品和劳务费用，加到一起，总共花了多少钱。
As a standard of value, money allows the addition of values of many different items as automobiles, repairs, and all other goods and services.
汽轮机组实施计划检修耗时长、费用高，大修揭缸后往往发现汽轮机本体及辅助设备健康状况良好。
Scheduled overhaul on a steam turbine costs long time and much money, and the turbine body and auxiliary equipment are often found in good conditions when the cylinder is opened.
大多用于对任务能提供确定的费用和时间的计划中，如：建筑工程、IT项目、设备大修等项目管理中。
This method is commonly used in such projects as civil constructions, IT and equipment maintenance where there has a definite cost budget and time requirement.
利用几何过程，以系统大修次数N和大修时间间隔T为更换策略，选择最优策略（ N ， T）使系统经长期运行单位时间的期望费用最小。
The problem is to determine the optimal replacement policy ( N , T )? such that the long-run expected cost per unit time is minimized.
利用几何过程，以系统大修次数N和大修时间间隔T为更换策略，选择最优策略（ N ， T）使系统经长期运行单位时间的期望费用最小。
The problem is to determine the optimal replacement policy ( N , T )? such that the long-run expected cost per unit time is minimized.
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