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。
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