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产地: 中国
提交时间: 2009/11/06
提交者: yiuchakpan
修改: 2009/11/13
It is composed of resin, gravel sand and other supplements. It is an environmental and energy-saving product. It has high capability to resist pressure and bending. It is resistent to erosion and weathering. It is convenient to install and maintain. It has high consistency to the environment. It can resit pH 1-10. It is light and can be made to precise size.
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it is resistent to organisms erosionon the surface