从顶部可以接触到所有部件，维修简易。
济南广告字具有亮度高，节能环保，安装简易，维修成本低。
Ji 'nan advertising word with high brightness, energy saving and environmental protection, easy installation, low maintenance costs.
戴铂声称，简易维修就可以使这个“失败品”变成可用的甲板。
DIAB claimed that easy repairs can be made in order to make the deck usable.
该机具有功能优越，维修方便、自动化程度高、操作简易、应用广泛等优点。
It has the function of location, convenient repair, a high degree of automation, operation simple, the advantages of a wide range of applications.
操作直观、简易、维修方便。
操作直观、简易、维修方便。
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