常规的无粘结柔性管采用的是多层构造，主要为金属材料增强的热塑性管道衬里。
Conventional unbonded flexible pipe designs are a multi-layer construction based upon a thermoplastic pipe liner reinforced with metallic materials.
选取采自中太平洋海山、具有多层构造的富钴结壳（样品号MHD79）进行分析。
We selected a Co-rich crust sample(MHD79), which has multi-layer structure and was gathered from central Pacific MH seamount.
采用塑化松香作为岩石圈延性下层的相似材料，进行了板内塑性流动网络及多层构造变形的物理模拟实验。
The use of plasticized rosin as an analog material of the ductile lower lithosphere provides an effective approach to modelling intraplate plastic flow network and multi layer tectonic deformation.
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