无衬里的内部连接的协调皮革单元瓣平面袋垫木小物品。
Unlined interior with attached coordinating leather snap-flap flat pouch to stow small belongings.
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.
应用推荐