电瓶箱大，方便电瓶的使用维护与保养。
A large battery compartment for easy battery use and maintenance.
电瓶箱尺寸宽大，电瓶的安装和保养简单方便。
With large battery compartment, batter's installation and maintenance becomes quite XXXXXX.
阐述了大桥钢箱梁涂层的使用寿命以及维修保养的最佳时期。
The service time and the best time for maintenance of bridge steel box girder coating were put forward in this paper.
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