单项选择题
Your vessel is to dock bow in at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?()
A.Bow spring line B.Inshore head line C.Stern breast line D.Bow breast line
单项选择题 完全重起炉灶、单独开设的二板市场属于哪种模式。()
问答题 有关复合力场的计算分析通常采用什么方法?
多项选择题 CTCS的基本功能有()。