超轻松的皮革与金属管道衬里袜子提供额外的安慰和支持。
Ultra cushy leather sock lining with metallic piping provides added comfort and support.
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.
金属皮革衬里。
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