多孔性Ni-石墨复合镀层
multilayer Ni-graphite composite coating
多元复合镀层
Multi element composite coatings
ZnO/表面活性剂复合多层膜
ZnO-surfactant hybrid multilayer
多层复合材料
Multilayered media
multiple-layer composite
multiplayer composite material
composite sandwich
Multi layer compo und material
多层复合结构
composite multiple layer structure
multilayer structure
layered construction
multiple and tier
多层复合壳体
laminated composite shells
多层复合砂袋
multi－ layered complex sand bag
多层复合实木地板
Multi-ply solid wood parquet flooring
多层复合阴极
mulity-layer composite cathode
多层复合油藏
multi-bed composite reservoir