... ☆ 响亮的95 dB报警声 ,Loud 95 dB alarm sound ☆ 明亮的LED闪灯和振动报警,Bright LED flash and vibration alarm ☆ 维护费用最低,Minimum maintenance cost ...
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Easy availability of spare parts for maintenance at minimum cost.
容易获得的零部件维修最低的成本。
In the economic point of view, the maintenance methods not only satisfy the minimum cost but also satisfy the minimum safe index.
从经济的观点要求维护方法的费用最小，同时还应满足最小的安全指标。
Optimal maintenance scheduling of components, traction substations and catenaries is formulated for minimum cost, maximum reliability and both.
设备维修计划可靠性最大模型的约束条件主要为最大维修费用、最小可用度以及运行总时间；
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