制层 meaning in Chinese

preparative layer

By thermal conducting method and the finite difference method , we also analyzed the heat diffusion in different material structures
我们分析了材料结构、脊波导高度、材料波导层及双异质结上限制层厚度和折射率。
Laminates of textile glass - reinforced unsaturared polyester and phenolic resins for load - bearing structural members gf - up , gf - pha ; physical parameters for standard laminates
承载构件用玻璃纤维增强式非饱和聚酯和苯酚树脂制层