hull closures

例句：

1. 1. The ship's hull closures are designed to protect the vessel from damage during transit.
   船只的船体封闭物设计用来在运输过程中保护船只免受损坏。
2. 2. The engineer inspected the hull closures and found no signs of wear or damage.
   工程师检查了船体封闭物，没有发现任何磨损或损坏的迹象。
3. 3. The hull closures were made of a strong material that could withstand the harsh marine environment.
   船体封闭物是由一种坚固的材料制成的，能够承受恶劣的海洋环境。