The reinforcing material layers are formed on the surfaces of the nonwoven fabric layer.
加强材料层形成于无纺布层的表面上。
The thickness of each reinforcing material layer is less than the thickness of the nonwoven fabric layer.
各加强材料层的厚度小于无纺布层的厚度。
Outer fabric layer covers side frame, providing attractive shelter appearance. Will not discolor in sunlight.
外层织物包裹侧部结构,外观整洁美观,不易褪色。
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