“jack staff”的概念、定义、翻译、参考文献-科学参考

单词	jack staff
释义	jack staff [`jak ´staf] ^{NAVAL ARCHITECTURE} A staff or flagpole attached to the bow of a ship, or the end of a spar projecting from the bow.
随便看	mobile digital computer mobile drill mobile electron mobile filling mobile hoist mobile loader mobile mount mobile phase mobile radio mobile-relay station mobile robot mobile station mobile systems equipment Mobilina mobility mobility coefficient mobility ratio mobility tensor mobility threshhold mobilization Mobulidae mocaya oil mock fog mock lead mock moon

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