主要功能为列事大修转向架检修临时检修，大维修粗件修护道旁设施维修及新车组装。
Its major function are in maintenance, direction - turning frame maintenance, temporary repair, big maintenance, rough parts maintenance, wayside equipment maintenance and new vehicle assembling.
解决老化问题主要依靠折旧或大修费，而解决失修问题主要依靠运行管理和维修养护费。
The ageing problem is solved mainly by depending on depreciation or over haul charge, while to solve the problem of out of repair is mainly to depend on operational management and maintenance cost.
解决老化问题主要依靠折旧或大修费，而解决失修问题主要依靠运行管理和维修养护费。
The ageing problem is solved mainly by depending on depreciation or over haul charge, while to solve the problem of out of repair is mainly to depend on operational management and maintenance cost.
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