GC2230 Alga-cutting and River-cleaning Ship的意思|示意

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GC2230切藻清河船

GC2230 Alga-cutting and River-cleaning Ship的网络常见释义

GC2230型河道割草保洁船 ...技术研究 Research of Hull Structure CAD Technique 26 GC2230型河道割草保洁船 GC2230 Alga-cutting and River-cleaning Ship 26 货舱进水状态下水密槽形舱壁强度计算 Evaluation of Scantlings of Corrugated Transverse Watertight ..