Trolley transportation system causes the excessive number of operating inefficiencies , and the number vehicle maintenance rate.
输送系统小车数量过多造成运行效率低下, 而小车数量维修率上升.
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The strength of technology, advanced equipment and production machinery maintenance rate is very low.
技术实力雄厚, 设备先进,生产机械具有维修率极低.
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