该转向架具有维修费用及线路使用费用低，货运效率更高、更经济、更安全的优点。
These bogies have such advantages as low maintenance cost and track utilization cost, higher transport efficiency, more economic and safe.
不仅减少停产时间，提高工作效率，同时也减少不必要的维修费用，能够达到优化管理的目的。
Not only reduce the stop production time, but also advance the work efficiency, at the same time reduce the unnecessary maintenance costs, achieve the purpose of optimizing management.
通过对卸煤机走行部的技术改造，提高了工作效率，节省了维修费用。
Through technological innovation for coal - drop walking part, the work efficiency is heightened and the expenses of maintenance has been saved.
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