minimum maintenance expenditure
minimum maintenance expenditure
最低维修开支
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Applying reliable theories, the decision-making model of optimum maintenance period for fully mechanized face equipment has been developed based on the rule of minimum running expenditure.
应用可靠性理论，得出了基于运行费用最小原则的综机设备最佳维修周期的决策模型。
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