支承座结构简单，制造容易，安装拆卸方便，安全可靠，成本低廉，适用范围广。
The supporting holder has a simple structure, is easily manufactured, is conveniently mounted and dismounted, is safe and reliable as well as has a low cost and a broad application range.
本实用新型天花板轻便，制造加工容易，安装与拆卸简单，整体美观。
The utility model has the advantages of light weight, easy manufacturing and processing, simple assembly and disassembly and beautiful appearance.
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