Special maintenance treatment 特殊维护处理
Canon Special Maintenance Station 佳能特约维修站
Need No Special Maintenance 无须专业维护
Special Maintenance Series 特别保养系列
Paying special maintenance funds pursuant to the relevant provisions of the state;
按照国家有关规定交纳专项维修资金；
Provide information on the use and maintenance of teaching. Provide Special maintenance tools.
提供使用及维修教学资料和专用维修工具大礼包。
This offers cheaper installation than green roofs, but needs special maintenance to prevent dirt reducing its effectiveness.
它的安装费用要比绿色屋顶便宜，但是需要特殊的维护以防灰尘降低它的反射效果。
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