导管架式海洋平台结构
jacket offshore platform structure
海洋平台结构
offshore structures
offshore platform structures
offshore platform structure
offshore platfor m structure
ocean platform structure
底部支撑的固定式平台
bottom-supported fixed platform
半潜式海洋平台
Semi-submersible Platform
直立式海洋平台
perpendicular oceanographic platform
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自升式海洋平台
Self-lifting marine platform
深海海洋平台
deep water offshore platform
T型高差固定结构
T-shaped exit fixed mechanism
电动固定平台搬运车
electrically operated stationary platform van