Auxiliary Ocean Tug

• 辅助远洋拖轮

Auxiliary Ocean Tug的用法和样例：

例句

1. With the sample of converting the tow-vessel fr om ocean-shipping into port tug,this paper expounds that revolving can be promoted by adding more rudders.
   通过介绍远洋拖轮改装为港作拖轮实例，阐述了增加舵的数目，可以提高船的回转性。