The orthogoi al multilayer sandwich plate which provides considerable strength, stiffness and stability has been used in some important engineering structures, such as the composite material bridge.
正交各向异性多层夹芯层板具有较好的强度、刚度和稳定综合性能，已在一些重要承力结构（如复合材料桥）中应用。
The fly ash glaze corrugated tile is made of fly ash (or slag) as basic material, functional material and adhesive with multilayer compound sandwich structure.
粉煤灰釉质波瓦是以粉煤灰(或炉渣)为基料，加入功能性材料与胶结剂，采用多层复合央芯结构制成。
The fly ash glaze corrugated tile is made of fly ash (or slag) as basic material, functional material and adhesive with multilayer compound sandwich structure.
粉煤灰釉质波瓦是以粉煤灰(或炉渣)为基料，加入功能性材料与胶结剂，采用多层复合央芯结构制成。
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