研制了铝蒙皮-硬质聚氨酯泡沫塑料夹层结构。
Then a sandwich composite of metal Al clad Pu rigid foaming plastic is fabricated.
探索了AN/MAA共聚物泡沫塑料夹层结构复合材料的成型加工性和力学性能。
At last, we tested the processing and mechanical properties of AN/MAA copolymer foam sandwich core material.
预浸布均为夹层结构，两面是离型纸或者塑料膜，中间夹芯为碳纤维或玻璃纤维预浸材料。
The prepreg cloth is generally of sandwich structure with release paper or plastic film on both sides and carbon fiber or glass fiber prepreg in the center.
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